Home / 80,448,532.40-120,735,784.20-37,323,079.40

Finding the Fourth Proportional to 80,448,532.40, 120,735,784.20 and 37,323,079.40

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Solution

The fourth proportional to 80,448,532.40, 120,735,784.20 and 37,323,079.40 is: 56,013,840.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,448,532.40 : 120,735,784.20 = 37,323,079.40 : x
  2. Step 2: Convert to fraction form
    80,448,532.40/120,735,784.20 = 37,323,079.40/x
  3. Step 3: Cross multiply
    80,448,532.40x = 120,735,784.20 × 37,323,079.40
  4. Step 4: Simplify right side
    80,448,532.40x = 4,506,231,260,117,865
  5. Step 5: Solve for x
    x = 4,506,231,260,117,865/80,448,532.40
  6. Step 6: Final answer
    x = 56,013,840.47

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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.