Home / 42,630,401.80-63,945,602.70-29,865,320.20

Finding the Fourth Proportional to 42,630,401.80, 63,945,602.70 and 29,865,320.20

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Solution

The fourth proportional to 42,630,401.80, 63,945,602.70 and 29,865,320.20 is: 44,797,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,630,401.80 : 63,945,602.70 = 29,865,320.20 : x
  2. Step 2: Convert to fraction form
    42,630,401.80/63,945,602.70 = 29,865,320.20/x
  3. Step 3: Cross multiply
    42,630,401.80x = 63,945,602.70 × 29,865,320.20
  4. Step 4: Simplify right side
    42,630,401.80x = 1,909,755,900,017,484.50
  5. Step 5: Solve for x
    x = 1,909,755,900,017,484.50/42,630,401.80
  6. Step 6: Final answer
    x = 44,797,980.30

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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.