Home / 148,803,774.60-223,211,882.70-79,687,576.20

Finding the Fourth Proportional to 148,803,774.60, 223,211,882.70 and 79,687,576.20

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Solution

The fourth proportional to 148,803,774.60, 223,211,882.70 and 79,687,576.20 is: 119,534,695.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,803,774.60 : 223,211,882.70 = 79,687,576.20 : x
  2. Step 2: Convert to fraction form
    148,803,774.60/223,211,882.70 = 79,687,576.20/x
  3. Step 3: Cross multiply
    148,803,774.60x = 223,211,882.70 × 79,687,576.20
  4. Step 4: Simplify right side
    148,803,774.60x = 17,787,213,911,401,712
  5. Step 5: Solve for x
    x = 17,787,213,911,401,712/148,803,774.60
  6. Step 6: Final answer
    x = 119,534,695.67

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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.