Home / 65,663,607.30-98,495,410.95-20,219,496.90

Finding the Fourth Proportional to 65,663,607.30, 98,495,410.95 and 20,219,496.90

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Solution

The fourth proportional to 65,663,607.30, 98,495,410.95 and 20,219,496.90 is: 30,329,245.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,663,607.30 : 98,495,410.95 = 20,219,496.90 : x
  2. Step 2: Convert to fraction form
    65,663,607.30/98,495,410.95 = 20,219,496.90/x
  3. Step 3: Cross multiply
    65,663,607.30x = 98,495,410.95 × 20,219,496.90
  4. Step 4: Simplify right side
    65,663,607.30x = 1,991,527,656,367,751
  5. Step 5: Solve for x
    x = 1,991,527,656,367,751/65,663,607.30
  6. Step 6: Final answer
    x = 30,329,245.35

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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.