Home / 80,470,915.16-120,715,008.92-34,417,567.28

Finding the Fourth Proportional to 80,470,915.16, 120,715,008.92 and 34,417,567.28

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Solution

The fourth proportional to 80,470,915.16, 120,715,008.92 and 34,417,567.28 is: 51,630,044.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,470,915.16 : 120,715,008.92 = 34,417,567.28 : x
  2. Step 2: Convert to fraction form
    80,470,915.16/120,715,008.92 = 34,417,567.28/x
  3. Step 3: Cross multiply
    80,470,915.16x = 120,715,008.92 × 34,417,567.28
  4. Step 4: Simplify right side
    80,470,915.16x = 4,154,716,941,209,900.50
  5. Step 5: Solve for x
    x = 4,154,716,941,209,900.50/80,470,915.16
  6. Step 6: Final answer
    x = 51,630,044.63

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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.