Home / 63,721,979.72-95,582,995.98-28,666,147.50

Finding the Fourth Proportional to 63,721,979.72, 95,582,995.98 and 28,666,147.50

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Solution

The fourth proportional to 63,721,979.72, 95,582,995.98 and 28,666,147.50 is: 42,999,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,721,979.72 : 95,582,995.98 = 28,666,147.50 : x
  2. Step 2: Convert to fraction form
    63,721,979.72/95,582,995.98 = 28,666,147.50/x
  3. Step 3: Cross multiply
    63,721,979.72x = 95,582,995.98 × 28,666,147.50
  4. Step 4: Simplify right side
    63,721,979.72x = 2,739,996,261,308,336
  5. Step 5: Solve for x
    x = 2,739,996,261,308,336/63,721,979.72
  6. Step 6: Final answer
    x = 42,999,233.12

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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.