Home / 105,192,096.90-157,788,145.35-86,060,220.90

Finding the Fourth Proportional to 105,192,096.90, 157,788,145.35 and 86,060,220.90

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Solution

The fourth proportional to 105,192,096.90, 157,788,145.35 and 86,060,220.90 is: 129,090,331.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,192,096.90 : 157,788,145.35 = 86,060,220.90 : x
  2. Step 2: Convert to fraction form
    105,192,096.90/157,788,145.35 = 86,060,220.90/x
  3. Step 3: Cross multiply
    105,192,096.90x = 157,788,145.35 × 86,060,220.90
  4. Step 4: Simplify right side
    105,192,096.90x = 13,579,282,644,222,308
  5. Step 5: Solve for x
    x = 13,579,282,644,222,308/105,192,096.90
  6. Step 6: Final answer
    x = 129,090,331.35

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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.