Home / 100,805,511.43-151,208,267.14-52,377,950.30

Finding the Fourth Proportional to 100,805,511.43, 151,208,267.14 and 52,377,950.30

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Solution

The fourth proportional to 100,805,511.43, 151,208,267.14 and 52,377,950.30 is: 78,566,925.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,805,511.43 : 151,208,267.14 = 52,377,950.30 : x
  2. Step 2: Convert to fraction form
    100,805,511.43/151,208,267.14 = 52,377,950.30/x
  3. Step 3: Cross multiply
    100,805,511.43x = 151,208,267.14 × 52,377,950.30
  4. Step 4: Simplify right side
    100,805,511.43x = 7,919,979,101,208,042
  5. Step 5: Solve for x
    x = 7,919,979,101,208,042/100,805,511.43
  6. Step 6: Final answer
    x = 78,566,925.45

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Double scale
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Similar ratio
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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.