Home / 144,828,472.60-216,959,273.70-87,149,409.40

Finding the Fourth Proportional to 144,828,472.60, 216,959,273.70 and 87,149,409.40

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Solution

The fourth proportional to 144,828,472.60, 216,959,273.70 and 87,149,409.40 is: 130,553,559.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,828,472.60 : 216,959,273.70 = 87,149,409.40 : x
  2. Step 2: Convert to fraction form
    144,828,472.60/216,959,273.70 = 87,149,409.40/x
  3. Step 3: Cross multiply
    144,828,472.60x = 216,959,273.70 × 87,149,409.40
  4. Step 4: Simplify right side
    144,828,472.60x = 18,907,872,566,807,952
  5. Step 5: Solve for x
    x = 18,907,872,566,807,952/144,828,472.60
  6. Step 6: Final answer
    x = 130,553,559.17

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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.