Home / 117,626,428.80-176,439,643.20-40,923,964.80

Finding the Fourth Proportional to 117,626,428.80, 176,439,643.20 and 40,923,964.80

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Solution

The fourth proportional to 117,626,428.80, 176,439,643.20 and 40,923,964.80 is: 61,385,947.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,626,428.80 : 176,439,643.20 = 40,923,964.80 : x
  2. Step 2: Convert to fraction form
    117,626,428.80/176,439,643.20 = 40,923,964.80/x
  3. Step 3: Cross multiply
    117,626,428.80x = 176,439,643.20 × 40,923,964.80
  4. Step 4: Simplify right side
    117,626,428.80x = 7,220,609,747,641,358
  5. Step 5: Solve for x
    x = 7,220,609,747,641,358/117,626,428.80
  6. Step 6: Final answer
    x = 61,385,947.20

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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.