Home / 147,630,002.40-221,443,837.20-38,454,962.40

Finding the Fourth Proportional to 147,630,002.40, 221,443,837.20 and 38,454,962.40

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Solution

The fourth proportional to 147,630,002.40, 221,443,837.20 and 38,454,962.40 is: 57,682,139.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,630,002.40 : 221,443,837.20 = 38,454,962.40 : x
  2. Step 2: Convert to fraction form
    147,630,002.40/221,443,837.20 = 38,454,962.40/x
  3. Step 3: Cross multiply
    147,630,002.40x = 221,443,837.20 × 38,454,962.40
  4. Step 4: Simplify right side
    147,630,002.40x = 8,515,614,433,237,720
  5. Step 5: Solve for x
    x = 8,515,614,433,237,720/147,630,002.40
  6. Step 6: Final answer
    x = 57,682,139.77

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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.