Home / 88,128,411.40-132,192,617.10-79,170,459.40

Finding the Fourth Proportional to 88,128,411.40, 132,192,617.10 and 79,170,459.40

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Solution

The fourth proportional to 88,128,411.40, 132,192,617.10 and 79,170,459.40 is: 118,755,689.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,128,411.40 : 132,192,617.10 = 79,170,459.40 : x
  2. Step 2: Convert to fraction form
    88,128,411.40/132,192,617.10 = 79,170,459.40/x
  3. Step 3: Cross multiply
    88,128,411.40x = 132,192,617.10 × 79,170,459.40
  4. Step 4: Simplify right side
    88,128,411.40x = 10,465,750,225,095,296
  5. Step 5: Solve for x
    x = 10,465,750,225,095,296/88,128,411.40
  6. Step 6: Final answer
    x = 118,755,689.10

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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.