Home / 71,951,718.72-99,293,668.98-38,911,967.16

Finding the Fourth Proportional to 71,951,718.72, 99,293,668.98 and 38,911,967.16

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Solution

The fourth proportional to 71,951,718.72, 99,293,668.98 and 38,911,967.16 is: 53,698,675.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,951,718.72 : 99,293,668.98 = 38,911,967.16 : x
  2. Step 2: Convert to fraction form
    71,951,718.72/99,293,668.98 = 38,911,967.16/x
  3. Step 3: Cross multiply
    71,951,718.72x = 99,293,668.98 × 38,911,967.16
  4. Step 4: Simplify right side
    71,951,718.72x = 3,863,711,986,545,670.50
  5. Step 5: Solve for x
    x = 3,863,711,986,545,670.50/71,951,718.72
  6. Step 6: Final answer
    x = 53,698,675.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.