Home / 148,803,779.60-223,211,890.20-79,687,581.20

Finding the Fourth Proportional to 148,803,779.60, 223,211,890.20 and 79,687,581.20

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Solution

The fourth proportional to 148,803,779.60, 223,211,890.20 and 79,687,581.20 is: 119,534,703.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,803,779.60 : 223,211,890.20 = 79,687,581.20 : x
  2. Step 2: Convert to fraction form
    148,803,779.60/223,211,890.20 = 79,687,581.20/x
  3. Step 3: Cross multiply
    148,803,779.60x = 223,211,890.20 × 79,687,581.20
  4. Step 4: Simplify right side
    148,803,779.60x = 17,787,215,625,117,984
  5. Step 5: Solve for x
    x = 17,787,215,625,117,984/148,803,779.60
  6. Step 6: Final answer
    x = 119,534,703.17

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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.