Home / 121,641,084.48-182,437,044.84-43,915,629.36

Finding the Fourth Proportional to 121,641,084.48, 182,437,044.84 and 43,915,629.36

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Solution

The fourth proportional to 121,641,084.48, 182,437,044.84 and 43,915,629.36 is: 65,864,569.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,641,084.48 : 182,437,044.84 = 43,915,629.36 : x
  2. Step 2: Convert to fraction form
    121,641,084.48/182,437,044.84 = 43,915,629.36/x
  3. Step 3: Cross multiply
    121,641,084.48x = 182,437,044.84 × 43,915,629.36
  4. Step 4: Simplify right side
    121,641,084.48x = 8,011,837,642,727,141
  5. Step 5: Solve for x
    x = 8,011,837,642,727,141/121,641,084.48
  6. Step 6: Final answer
    x = 65,864,569.34

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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.