Home / 121,387,792.10-182,018,702.55-44,671,331.30

Finding the Fourth Proportional to 121,387,792.10, 182,018,702.55 and 44,671,331.30

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Solution

The fourth proportional to 121,387,792.10, 182,018,702.55 and 44,671,331.30 is: 66,983,817.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,387,792.10 : 182,018,702.55 = 44,671,331.30 : x
  2. Step 2: Convert to fraction form
    121,387,792.10/182,018,702.55 = 44,671,331.30/x
  3. Step 3: Cross multiply
    121,387,792.10x = 182,018,702.55 × 44,671,331.30
  4. Step 4: Simplify right side
    121,387,792.10x = 8,131,017,764,407,205
  5. Step 5: Solve for x
    x = 8,131,017,764,407,205/121,387,792.10
  6. Step 6: Final answer
    x = 66,983,817.93

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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.