Home / 70,871,712.60-106,307,568.90-60,668,045.40

Finding the Fourth Proportional to 70,871,712.60, 106,307,568.90 and 60,668,045.40

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Solution

The fourth proportional to 70,871,712.60, 106,307,568.90 and 60,668,045.40 is: 91,002,068.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,871,712.60 : 106,307,568.90 = 60,668,045.40 : x
  2. Step 2: Convert to fraction form
    70,871,712.60/106,307,568.90 = 60,668,045.40/x
  3. Step 3: Cross multiply
    70,871,712.60x = 106,307,568.90 × 60,668,045.40
  4. Step 4: Simplify right side
    70,871,712.60x = 6,449,472,416,388,828
  5. Step 5: Solve for x
    x = 6,449,472,416,388,828/70,871,712.60
  6. Step 6: Final answer
    x = 91,002,068.10

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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.