Home / 109,143,117.60-163,737,421.20-36,382,502.40

Finding the Fourth Proportional to 109,143,117.60, 163,737,421.20 and 36,382,502.40

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Solution

The fourth proportional to 109,143,117.60, 163,737,421.20 and 36,382,502.40 is: 54,581,335.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,143,117.60 : 163,737,421.20 = 36,382,502.40 : x
  2. Step 2: Convert to fraction form
    109,143,117.60/163,737,421.20 = 36,382,502.40/x
  3. Step 3: Cross multiply
    109,143,117.60x = 163,737,421.20 × 36,382,502.40
  4. Step 4: Simplify right side
    109,143,117.60x = 5,957,177,119,778,810
  5. Step 5: Solve for x
    x = 5,957,177,119,778,810/109,143,117.60
  6. Step 6: Final answer
    x = 54,581,335.50

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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.