Home / 96,772,105.60-145,158,158.40-86,918,358.40

Finding the Fourth Proportional to 96,772,105.60, 145,158,158.40 and 86,918,358.40

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Solution

The fourth proportional to 96,772,105.60, 145,158,158.40 and 86,918,358.40 is: 130,377,537.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,772,105.60 : 145,158,158.40 = 86,918,358.40 : x
  2. Step 2: Convert to fraction form
    96,772,105.60/145,158,158.40 = 86,918,358.40/x
  3. Step 3: Cross multiply
    96,772,105.60x = 145,158,158.40 × 86,918,358.40
  4. Step 4: Simplify right side
    96,772,105.60x = 12,616,908,836,495,172
  5. Step 5: Solve for x
    x = 12,616,908,836,495,172/96,772,105.60
  6. Step 6: Final answer
    x = 130,377,537.60

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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.