Home / 144,456,356.75-216,639,017.26-47,389,445.42

Finding the Fourth Proportional to 144,456,356.75, 216,639,017.26 and 47,389,445.42

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Solution

The fourth proportional to 144,456,356.75, 216,639,017.26 and 47,389,445.42 is: 71,069,235.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,456,356.75 : 216,639,017.26 = 47,389,445.42 : x
  2. Step 2: Convert to fraction form
    144,456,356.75/216,639,017.26 = 47,389,445.42/x
  3. Step 3: Cross multiply
    144,456,356.75x = 216,639,017.26 × 47,389,445.42
  4. Step 4: Simplify right side
    144,456,356.75x = 10,266,402,883,350,342
  5. Step 5: Solve for x
    x = 10,266,402,883,350,342/144,456,356.75
  6. Step 6: Final answer
    x = 71,069,235.82

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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.