Home / 68,096,541.60-102,144,812.40-42,587,373.60

Finding the Fourth Proportional to 68,096,541.60, 102,144,812.40 and 42,587,373.60

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Solution

The fourth proportional to 68,096,541.60, 102,144,812.40 and 42,587,373.60 is: 63,881,060.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,096,541.60 : 102,144,812.40 = 42,587,373.60 : x
  2. Step 2: Convert to fraction form
    68,096,541.60/102,144,812.40 = 42,587,373.60/x
  3. Step 3: Cross multiply
    68,096,541.60x = 102,144,812.40 × 42,587,373.60
  4. Step 4: Simplify right side
    68,096,541.60x = 4,350,079,286,980,713
  5. Step 5: Solve for x
    x = 4,350,079,286,980,713/68,096,541.60
  6. Step 6: Final answer
    x = 63,881,060.40

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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.