Home / 42,336,000.40-63,438,682.20-31,502,477.20

Finding the Fourth Proportional to 42,336,000.40, 63,438,682.20 and 31,502,477.20

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Solution

The fourth proportional to 42,336,000.40, 63,438,682.20 and 31,502,477.20 is: 47,205,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,336,000.40 : 63,438,682.20 = 31,502,477.20 : x
  2. Step 2: Convert to fraction form
    42,336,000.40/63,438,682.20 = 31,502,477.20/x
  3. Step 3: Cross multiply
    42,336,000.40x = 63,438,682.20 × 31,502,477.20
  4. Step 4: Simplify right side
    42,336,000.40x = 1,998,475,639,603,546
  5. Step 5: Solve for x
    x = 1,998,475,639,603,546/42,336,000.40
  6. Step 6: Final answer
    x = 47,205,111.98

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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.