Home / 73,925,724.18-102,013,366.76-40,428,587.88

Finding the Fourth Proportional to 73,925,724.18, 102,013,366.76 and 40,428,587.88

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Solution

The fourth proportional to 73,925,724.18, 102,013,366.76 and 40,428,587.88 is: 55,789,191.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,925,724.18 : 102,013,366.76 = 40,428,587.88 : x
  2. Step 2: Convert to fraction form
    73,925,724.18/102,013,366.76 = 40,428,587.88/x
  3. Step 3: Cross multiply
    73,925,724.18x = 102,013,366.76 × 40,428,587.88
  4. Step 4: Simplify right side
    73,925,724.18x = 4,124,256,362,789,188
  5. Step 5: Solve for x
    x = 4,124,256,362,789,188/73,925,724.18
  6. Step 6: Final answer
    x = 55,789,191.23

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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.