Home / 96,769,201.20-145,153,801.80-86,187,620.40

Finding the Fourth Proportional to 96,769,201.20, 145,153,801.80 and 86,187,620.40

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Solution

The fourth proportional to 96,769,201.20, 145,153,801.80 and 86,187,620.40 is: 129,281,430.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,769,201.20 : 145,153,801.80 = 86,187,620.40 : x
  2. Step 2: Convert to fraction form
    96,769,201.20/145,153,801.80 = 86,187,620.40/x
  3. Step 3: Cross multiply
    96,769,201.20x = 145,153,801.80 × 86,187,620.40
  4. Step 4: Simplify right side
    96,769,201.20x = 12,510,460,769,155,238
  5. Step 5: Solve for x
    x = 12,510,460,769,155,238/96,769,201.20
  6. Step 6: Final answer
    x = 129,281,430.60

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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.