Home / 157,169,312.90-235,753,969.35-80,641,808.90

Finding the Fourth Proportional to 157,169,312.90, 235,753,969.35 and 80,641,808.90

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Solution

The fourth proportional to 157,169,312.90, 235,753,969.35 and 80,641,808.90 is: 120,962,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,169,312.90 : 235,753,969.35 = 80,641,808.90 : x
  2. Step 2: Convert to fraction form
    157,169,312.90/235,753,969.35 = 80,641,808.90/x
  3. Step 3: Cross multiply
    157,169,312.90x = 235,753,969.35 × 80,641,808.90
  4. Step 4: Simplify right side
    157,169,312.90x = 19,011,626,543,739,160
  5. Step 5: Solve for x
    x = 19,011,626,543,739,160/157,169,312.90
  6. Step 6: Final answer
    x = 120,962,713.35

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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.