Home / 272,552,129.40-408,828,194.10-90,799,307.40

Finding the Fourth Proportional to 272,552,129.40, 408,828,194.10 and 90,799,307.40

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Solution

The fourth proportional to 272,552,129.40, 408,828,194.10 and 90,799,307.40 is: 136,198,961.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,552,129.40 : 408,828,194.10 = 90,799,307.40 : x
  2. Step 2: Convert to fraction form
    272,552,129.40/408,828,194.10 = 90,799,307.40/x
  3. Step 3: Cross multiply
    272,552,129.40x = 408,828,194.10 × 90,799,307.40
  4. Step 4: Simplify right side
    272,552,129.40x = 37,121,316,869,872,768
  5. Step 5: Solve for x
    x = 37,121,316,869,872,768/272,552,129.40
  6. Step 6: Final answer
    x = 136,198,961.10

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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.