Home / 345,151,462.79-517,799,905.88-111,963,966.92

Finding the Fourth Proportional to 345,151,462.79, 517,799,905.88 and 111,963,966.92

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Solution

The fourth proportional to 345,151,462.79, 517,799,905.88 and 111,963,966.92 is: 167,969,537.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,151,462.79 : 517,799,905.88 = 111,963,966.92 : x
  2. Step 2: Convert to fraction form
    345,151,462.79/517,799,905.88 = 111,963,966.92/x
  3. Step 3: Cross multiply
    345,151,462.79x = 517,799,905.88 × 111,963,966.92
  4. Step 4: Simplify right side
    345,151,462.79x = 57,974,931,533,127,432
  5. Step 5: Solve for x
    x = 57,974,931,533,127,432/345,151,462.79
  6. Step 6: Final answer
    x = 167,969,537.39

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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.