Home / 65,193,999.90-97,790,999.85-42,235,748.70

Finding the Fourth Proportional to 65,193,999.90, 97,790,999.85 and 42,235,748.70

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Solution

The fourth proportional to 65,193,999.90, 97,790,999.85 and 42,235,748.70 is: 63,353,623.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,193,999.90 : 97,790,999.85 = 42,235,748.70 : x
  2. Step 2: Convert to fraction form
    65,193,999.90/97,790,999.85 = 42,235,748.70/x
  3. Step 3: Cross multiply
    65,193,999.90x = 97,790,999.85 × 42,235,748.70
  4. Step 4: Simplify right side
    65,193,999.90x = 4,130,276,094,786,337.50
  5. Step 5: Solve for x
    x = 4,130,276,094,786,337.50/65,193,999.90
  6. Step 6: Final answer
    x = 63,353,623.05

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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.