Home / 101,440,281.88-139,975,779-56,788,699

Finding the Fourth Proportional to 101,440,281.88, 139,975,779 and 56,788,699

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Solution

The fourth proportional to 101,440,281.88, 139,975,779 and 56,788,699 is: 78,361,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,440,281.88 : 139,975,779 = 56,788,699 : x
  2. Step 2: Convert to fraction form
    101,440,281.88/139,975,779 = 56,788,699/x
  3. Step 3: Cross multiply
    101,440,281.88x = 139,975,779 × 56,788,699
  4. Step 4: Simplify right side
    101,440,281.88x = 7,949,042,380,921,521
  5. Step 5: Solve for x
    x = 7,949,042,380,921,521/101,440,281.88
  6. Step 6: Final answer
    x = 78,361,793.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.