Home / 70,008,925.10-105,013,387.65-60,435,113.90

Finding the Fourth Proportional to 70,008,925.10, 105,013,387.65 and 60,435,113.90

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Solution

The fourth proportional to 70,008,925.10, 105,013,387.65 and 60,435,113.90 is: 90,652,670.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,008,925.10 : 105,013,387.65 = 60,435,113.90 : x
  2. Step 2: Convert to fraction form
    70,008,925.10/105,013,387.65 = 60,435,113.90/x
  3. Step 3: Cross multiply
    70,008,925.10x = 105,013,387.65 × 60,435,113.90
  4. Step 4: Simplify right side
    70,008,925.10x = 6,346,496,043,652,604
  5. Step 5: Solve for x
    x = 6,346,496,043,652,604/70,008,925.10
  6. Step 6: Final answer
    x = 90,652,670.85

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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.