Home / 78,229,465.04-107,951,426.76-47,306,686.16

Finding the Fourth Proportional to 78,229,465.04, 107,951,426.76 and 47,306,686.16

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Solution

The fourth proportional to 78,229,465.04, 107,951,426.76 and 47,306,686.16 is: 65,280,061.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,229,465.04 : 107,951,426.76 = 47,306,686.16 : x
  2. Step 2: Convert to fraction form
    78,229,465.04/107,951,426.76 = 47,306,686.16/x
  3. Step 3: Cross multiply
    78,229,465.04x = 107,951,426.76 × 47,306,686.16
  4. Step 4: Simplify right side
    78,229,465.04x = 5,106,824,266,259,546
  5. Step 5: Solve for x
    x = 5,106,824,266,259,546/78,229,465.04
  6. Step 6: Final answer
    x = 65,280,061.21

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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.