Home / 120,523,995.36-180,679,836.06-47,791,898.64

Finding the Fourth Proportional to 120,523,995.36, 180,679,836.06 and 47,791,898.64

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Solution

The fourth proportional to 120,523,995.36, 180,679,836.06 and 47,791,898.64 is: 71,645,753.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,523,995.36 : 180,679,836.06 = 47,791,898.64 : x
  2. Step 2: Convert to fraction form
    120,523,995.36/180,679,836.06 = 47,791,898.64/x
  3. Step 3: Cross multiply
    120,523,995.36x = 180,679,836.06 × 47,791,898.64
  4. Step 4: Simplify right side
    120,523,995.36x = 8,635,032,411,271,337
  5. Step 5: Solve for x
    x = 8,635,032,411,271,337/120,523,995.36
  6. Step 6: Final answer
    x = 71,645,753.08

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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.