Home / 65,200,719.40-97,801,079.10-42,242,468.20

Finding the Fourth Proportional to 65,200,719.40, 97,801,079.10 and 42,242,468.20

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Solution

The fourth proportional to 65,200,719.40, 97,801,079.10 and 42,242,468.20 is: 63,363,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,200,719.40 : 97,801,079.10 = 42,242,468.20 : x
  2. Step 2: Convert to fraction form
    65,200,719.40/97,801,079.10 = 42,242,468.20/x
  3. Step 3: Cross multiply
    65,200,719.40x = 97,801,079.10 × 42,242,468.20
  4. Step 4: Simplify right side
    65,200,719.40x = 4,131,358,973,807,434.50
  5. Step 5: Solve for x
    x = 4,131,358,973,807,434.50/65,200,719.40
  6. Step 6: Final answer
    x = 63,363,702.30

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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.