Home / 71,636,790.88-98,859,104.94-40,698,657.82

Finding the Fourth Proportional to 71,636,790.88, 98,859,104.94 and 40,698,657.82

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Solution

The fourth proportional to 71,636,790.88, 98,859,104.94 and 40,698,657.82 is: 56,164,337.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,636,790.88 : 98,859,104.94 = 40,698,657.82 : x
  2. Step 2: Convert to fraction form
    71,636,790.88/98,859,104.94 = 40,698,657.82/x
  3. Step 3: Cross multiply
    71,636,790.88x = 98,859,104.94 × 40,698,657.82
  4. Step 4: Simplify right side
    71,636,790.88x = 4,023,432,884,344,531.50
  5. Step 5: Solve for x
    x = 4,023,432,884,344,531.50/71,636,790.88
  6. Step 6: Final answer
    x = 56,164,337.28

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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.