Home / 99,070,620.40-148,479,959.40-47,842,332.40

Finding the Fourth Proportional to 99,070,620.40, 148,479,959.40 and 47,842,332.40

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Solution

The fourth proportional to 99,070,620.40, 148,479,959.40 and 47,842,332.40 is: 71,702,665.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,070,620.40 : 148,479,959.40 = 47,842,332.40 : x
  2. Step 2: Convert to fraction form
    99,070,620.40/148,479,959.40 = 47,842,332.40/x
  3. Step 3: Cross multiply
    99,070,620.40x = 148,479,959.40 × 47,842,332.40
  4. Step 4: Simplify right side
    99,070,620.40x = 7,103,627,572,353,305
  5. Step 5: Solve for x
    x = 7,103,627,572,353,305/99,070,620.40
  6. Step 6: Final answer
    x = 71,702,665.67

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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.