Home / 144,386,543.40-216,607,808.70-72,582,959.40

Finding the Fourth Proportional to 144,386,543.40, 216,607,808.70 and 72,582,959.40

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Solution

The fourth proportional to 144,386,543.40, 216,607,808.70 and 72,582,959.40 is: 108,888,511.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,386,543.40 : 216,607,808.70 = 72,582,959.40 : x
  2. Step 2: Convert to fraction form
    144,386,543.40/216,607,808.70 = 72,582,959.40/x
  3. Step 3: Cross multiply
    144,386,543.40x = 216,607,808.70 × 72,582,959.40
  4. Step 4: Simplify right side
    144,386,543.40x = 15,722,035,784,595,068
  5. Step 5: Solve for x
    x = 15,722,035,784,595,068/144,386,543.40
  6. Step 6: Final answer
    x = 108,888,511.45

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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.