Home / 198,312,541.80-297,327,095.10-89,048,272.20

Finding the Fourth Proportional to 198,312,541.80, 297,327,095.10 and 89,048,272.20

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Solution

The fourth proportional to 198,312,541.80, 297,327,095.10 and 89,048,272.20 is: 133,508,772.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,312,541.80 : 297,327,095.10 = 89,048,272.20 : x
  2. Step 2: Convert to fraction form
    198,312,541.80/297,327,095.10 = 89,048,272.20/x
  3. Step 3: Cross multiply
    198,312,541.80x = 297,327,095.10 × 89,048,272.20
  4. Step 4: Simplify right side
    198,312,541.80x = 26,476,464,096,900,088
  5. Step 5: Solve for x
    x = 26,476,464,096,900,088/198,312,541.80
  6. Step 6: Final answer
    x = 133,508,772.85

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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.