Home / 191,712,302.20-287,568,453.30-159,400,689.40

Finding the Fourth Proportional to 191,712,302.20, 287,568,453.30 and 159,400,689.40

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Solution

The fourth proportional to 191,712,302.20, 287,568,453.30 and 159,400,689.40 is: 239,101,034.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,712,302.20 : 287,568,453.30 = 159,400,689.40 : x
  2. Step 2: Convert to fraction form
    191,712,302.20/287,568,453.30 = 159,400,689.40/x
  3. Step 3: Cross multiply
    191,712,302.20x = 287,568,453.30 × 159,400,689.40
  4. Step 4: Simplify right side
    191,712,302.20x = 45,838,609,705,711,712
  5. Step 5: Solve for x
    x = 45,838,609,705,711,712/191,712,302.20
  6. Step 6: Final answer
    x = 239,101,034.10

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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.