Home / 72,771,219.40-109,156,829.10-29,671,354.30

Finding the Fourth Proportional to 72,771,219.40, 109,156,829.10 and 29,671,354.30

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Solution

The fourth proportional to 72,771,219.40, 109,156,829.10 and 29,671,354.30 is: 44,507,031.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,771,219.40 : 109,156,829.10 = 29,671,354.30 : x
  2. Step 2: Convert to fraction form
    72,771,219.40/109,156,829.10 = 29,671,354.30/x
  3. Step 3: Cross multiply
    72,771,219.40x = 109,156,829.10 × 29,671,354.30
  4. Step 4: Simplify right side
    72,771,219.40x = 3,238,830,950,490,650
  5. Step 5: Solve for x
    x = 3,238,830,950,490,650/72,771,219.40
  6. Step 6: Final answer
    x = 44,507,031.45

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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.