Home / 198,610,780.68-297,927,360.90-60,440,881.32

Finding the Fourth Proportional to 198,610,780.68, 297,927,360.90 and 60,440,881.32

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Solution

The fourth proportional to 198,610,780.68, 297,927,360.90 and 60,440,881.32 is: 90,664,727.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,610,780.68 : 297,927,360.90 = 60,440,881.32 : x
  2. Step 2: Convert to fraction form
    198,610,780.68/297,927,360.90 = 60,440,881.32/x
  3. Step 3: Cross multiply
    198,610,780.68x = 297,927,360.90 × 60,440,881.32
  4. Step 4: Simplify right side
    198,610,780.68x = 18,006,992,262,137,708
  5. Step 5: Solve for x
    x = 18,006,992,262,137,708/198,610,780.68
  6. Step 6: Final answer
    x = 90,664,727.26

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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.