Home / 338,940,666.40-508,410,999.60-96,572,077.60

Finding the Fourth Proportional to 338,940,666.40, 508,410,999.60 and 96,572,077.60

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Solution

The fourth proportional to 338,940,666.40, 508,410,999.60 and 96,572,077.60 is: 144,858,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,940,666.40 : 508,410,999.60 = 96,572,077.60 : x
  2. Step 2: Convert to fraction form
    338,940,666.40/508,410,999.60 = 96,572,077.60/x
  3. Step 3: Cross multiply
    338,940,666.40x = 508,410,999.60 × 96,572,077.60
  4. Step 4: Simplify right side
    338,940,666.40x = 49,098,306,506,064,768
  5. Step 5: Solve for x
    x = 49,098,306,506,064,768/338,940,666.40
  6. Step 6: Final answer
    x = 144,858,116.40

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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.