Home / 79,461,152.30-119,191,728.45-40,719,103.40

Finding the Fourth Proportional to 79,461,152.30, 119,191,728.45 and 40,719,103.40

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Solution

The fourth proportional to 79,461,152.30, 119,191,728.45 and 40,719,103.40 is: 61,078,655.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,461,152.30 : 119,191,728.45 = 40,719,103.40 : x
  2. Step 2: Convert to fraction form
    79,461,152.30/119,191,728.45 = 40,719,103.40/x
  3. Step 3: Cross multiply
    79,461,152.30x = 119,191,728.45 × 40,719,103.40
  4. Step 4: Simplify right side
    79,461,152.30x = 4,853,380,315,180,272
  5. Step 5: Solve for x
    x = 4,853,380,315,180,272/79,461,152.30
  6. Step 6: Final answer
    x = 61,078,655.10

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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.