Home / 97,115,253.70-145,672,880.55-86,533,672.90

Finding the Fourth Proportional to 97,115,253.70, 145,672,880.55 and 86,533,672.90

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Solution

The fourth proportional to 97,115,253.70, 145,672,880.55 and 86,533,672.90 is: 129,800,509.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,115,253.70 : 145,672,880.55 = 86,533,672.90 : x
  2. Step 2: Convert to fraction form
    97,115,253.70/145,672,880.55 = 86,533,672.90/x
  3. Step 3: Cross multiply
    97,115,253.70x = 145,672,880.55 × 86,533,672.90
  4. Step 4: Simplify right side
    97,115,253.70x = 12,605,609,395,914,474
  5. Step 5: Solve for x
    x = 12,605,609,395,914,474/97,115,253.70
  6. Step 6: Final answer
    x = 129,800,509.35

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1.5x scale

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.