Home / 71,001,527,740.65-97,985,188,277.91-39,319,141,084.65

Finding the Fourth Proportional to 71,001,527,740.65, 97,985,188,277.91 and 39,319,141,084.65

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Solution

The fourth proportional to 71,001,527,740.65, 97,985,188,277.91 and 39,319,141,084.65 is: 54,262,120,333.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,001,527,740.65 : 97,985,188,277.91 = 39,319,141,084.65 : x
  2. Step 2: Convert to fraction form
    71,001,527,740.65/97,985,188,277.91 = 39,319,141,084.65/x
  3. Step 3: Cross multiply
    71,001,527,740.65x = 97,985,188,277.91 × 39,319,141,084.65
  4. Step 4: Simplify right side
    71,001,527,740.65x = 3,852,693,442,105,137,168,384
  5. Step 5: Solve for x
    x = 3,852,693,442,105,137,168,384/71,001,527,740.65
  6. Step 6: Final answer
    x = 54,262,120,333.21

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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.