Home / 47,779,065.46-71,319,792.92-40,999,206.90

Finding the Fourth Proportional to 47,779,065.46, 71,319,792.92 and 40,999,206.90

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Solution

The fourth proportional to 47,779,065.46, 71,319,792.92 and 40,999,206.90 is: 61,199,500.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,779,065.46 : 71,319,792.92 = 40,999,206.90 : x
  2. Step 2: Convert to fraction form
    47,779,065.46/71,319,792.92 = 40,999,206.90/x
  3. Step 3: Cross multiply
    47,779,065.46x = 71,319,792.92 × 40,999,206.90
  4. Step 4: Simplify right side
    47,779,065.46x = 2,924,054,945,884,247
  5. Step 5: Solve for x
    x = 2,924,054,945,884,247/47,779,065.46
  6. Step 6: Final answer
    x = 61,199,500.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.