Home / 72,440,677.86-99,959,061.90-48,970,281.41

Finding the Fourth Proportional to 72,440,677.86, 99,959,061.90 and 48,970,281.41

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Solution

The fourth proportional to 72,440,677.86, 99,959,061.90 and 48,970,281.41 is: 67,572,854.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,440,677.86 : 99,959,061.90 = 48,970,281.41 : x
  2. Step 2: Convert to fraction form
    72,440,677.86/99,959,061.90 = 48,970,281.41/x
  3. Step 3: Cross multiply
    72,440,677.86x = 99,959,061.90 × 48,970,281.41
  4. Step 4: Simplify right side
    72,440,677.86x = 4,895,023,390,174,461
  5. Step 5: Solve for x
    x = 4,895,023,390,174,461/72,440,677.86
  6. Step 6: Final answer
    x = 67,572,854.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.