Home / 78,996,323.04-118,463,850-27,171,071.52

Finding the Fourth Proportional to 78,996,323.04, 118,463,850 and 27,171,071.52

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Solution

The fourth proportional to 78,996,323.04, 118,463,850 and 27,171,071.52 is: 40,746,070.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,996,323.04 : 118,463,850 = 27,171,071.52 : x
  2. Step 2: Convert to fraction form
    78,996,323.04/118,463,850 = 27,171,071.52/x
  3. Step 3: Cross multiply
    78,996,323.04x = 118,463,850 × 27,171,071.52
  4. Step 4: Simplify right side
    78,996,323.04x = 3,218,789,740,884,552
  5. Step 5: Solve for x
    x = 3,218,789,740,884,552/78,996,323.04
  6. Step 6: Final answer
    x = 40,746,070.41

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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.