Home / 104,976,385.10-157,464,577.65-72,097,901.90

Finding the Fourth Proportional to 104,976,385.10, 157,464,577.65 and 72,097,901.90

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Solution

The fourth proportional to 104,976,385.10, 157,464,577.65 and 72,097,901.90 is: 108,146,852.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,385.10 : 157,464,577.65 = 72,097,901.90 : x
  2. Step 2: Convert to fraction form
    104,976,385.10/157,464,577.65 = 72,097,901.90/x
  3. Step 3: Cross multiply
    104,976,385.10x = 157,464,577.65 × 72,097,901.90
  4. Step 4: Simplify right side
    104,976,385.10x = 11,352,865,672,134,634
  5. Step 5: Solve for x
    x = 11,352,865,672,134,634/104,976,385.10
  6. Step 6: Final answer
    x = 108,146,852.85

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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.