Home / 71,416,045.71-98,555,222.93-40,061,045.19

Finding the Fourth Proportional to 71,416,045.71, 98,555,222.93 and 40,061,045.19

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Solution

The fourth proportional to 71,416,045.71, 98,555,222.93 and 40,061,045.19 is: 55,284,848.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,416,045.71 : 98,555,222.93 = 40,061,045.19 : x
  2. Step 2: Convert to fraction form
    71,416,045.71/98,555,222.93 = 40,061,045.19/x
  3. Step 3: Cross multiply
    71,416,045.71x = 98,555,222.93 × 40,061,045.19
  4. Step 4: Simplify right side
    71,416,045.71x = 3,948,225,239,308,948.50
  5. Step 5: Solve for x
    x = 3,948,225,239,308,948.50/71,416,045.71
  6. Step 6: Final answer
    x = 55,284,848.10

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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.