Home / 65,200,499.90-97,800,749.85-42,242,248.70

Finding the Fourth Proportional to 65,200,499.90, 97,800,749.85 and 42,242,248.70

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Solution

The fourth proportional to 65,200,499.90, 97,800,749.85 and 42,242,248.70 is: 63,363,373.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,200,499.90 : 97,800,749.85 = 42,242,248.70 : x
  2. Step 2: Convert to fraction form
    65,200,499.90/97,800,749.85 = 42,242,248.70/x
  3. Step 3: Cross multiply
    65,200,499.90x = 97,800,749.85 × 42,242,248.70
  4. Step 4: Simplify right side
    65,200,499.90x = 4,131,323,598,210,187.50
  5. Step 5: Solve for x
    x = 4,131,323,598,210,187.50/65,200,499.90
  6. Step 6: Final answer
    x = 63,363,373.05

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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.