Home / 80,762,704.80-121,144,057.20-48,514,077.60

Finding the Fourth Proportional to 80,762,704.80, 121,144,057.20 and 48,514,077.60

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Solution

The fourth proportional to 80,762,704.80, 121,144,057.20 and 48,514,077.60 is: 72,771,116.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,762,704.80 : 121,144,057.20 = 48,514,077.60 : x
  2. Step 2: Convert to fraction form
    80,762,704.80/121,144,057.20 = 48,514,077.60/x
  3. Step 3: Cross multiply
    80,762,704.80x = 121,144,057.20 × 48,514,077.60
  4. Step 4: Simplify right side
    80,762,704.80x = 5,877,192,191,779,639
  5. Step 5: Solve for x
    x = 5,877,192,191,779,639/80,762,704.80
  6. Step 6: Final answer
    x = 72,771,116.40

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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.