Home / 191,390,180.20-287,107,472.50-66,854,247.72

Finding the Fourth Proportional to 191,390,180.20, 287,107,472.50 and 66,854,247.72

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Solution

The fourth proportional to 191,390,180.20, 287,107,472.50 and 66,854,247.72 is: 100,289,127.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,390,180.20 : 287,107,472.50 = 66,854,247.72 : x
  2. Step 2: Convert to fraction form
    191,390,180.20/287,107,472.50 = 66,854,247.72/x
  3. Step 3: Cross multiply
    191,390,180.20x = 287,107,472.50 × 66,854,247.72
  4. Step 4: Simplify right side
    191,390,180.20x = 19,194,354,087,534,300
  5. Step 5: Solve for x
    x = 19,194,354,087,534,300/191,390,180.20
  6. Step 6: Final answer
    x = 100,289,127.00

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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.