Home / 100,146,424.20-150,219,636.30-83,140,312.20

Finding the Fourth Proportional to 100,146,424.20, 150,219,636.30 and 83,140,312.20

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Solution

The fourth proportional to 100,146,424.20, 150,219,636.30 and 83,140,312.20 is: 124,710,468.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,146,424.20 : 150,219,636.30 = 83,140,312.20 : x
  2. Step 2: Convert to fraction form
    100,146,424.20/150,219,636.30 = 83,140,312.20/x
  3. Step 3: Cross multiply
    100,146,424.20x = 150,219,636.30 × 83,140,312.20
  4. Step 4: Simplify right side
    100,146,424.20x = 12,489,307,460,552,454
  5. Step 5: Solve for x
    x = 12,489,307,460,552,454/100,146,424.20
  6. Step 6: Final answer
    x = 124,710,468.30

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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.