Home / 100,042,702.20-150,064,053.30-83,036,590.20

Finding the Fourth Proportional to 100,042,702.20, 150,064,053.30 and 83,036,590.20

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Solution

The fourth proportional to 100,042,702.20, 150,064,053.30 and 83,036,590.20 is: 124,554,885.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,042,702.20 : 150,064,053.30 = 83,036,590.20 : x
  2. Step 2: Convert to fraction form
    100,042,702.20/150,064,053.30 = 83,036,590.20/x
  3. Step 3: Cross multiply
    100,042,702.20x = 150,064,053.30 × 83,036,590.20
  4. Step 4: Simplify right side
    100,042,702.20x = 12,460,807,297,623,060
  5. Step 5: Solve for x
    x = 12,460,807,297,623,060/100,042,702.20
  6. Step 6: Final answer
    x = 124,554,885.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.