Home / 71,038,991.04-98,034,121.80-38,443,951.68

Finding the Fourth Proportional to 71,038,991.04, 98,034,121.80 and 38,443,951.68

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Solution

The fourth proportional to 71,038,991.04, 98,034,121.80 and 38,443,951.68 is: 53,052,823.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,038,991.04 : 98,034,121.80 = 38,443,951.68 : x
  2. Step 2: Convert to fraction form
    71,038,991.04/98,034,121.80 = 38,443,951.68/x
  3. Step 3: Cross multiply
    71,038,991.04x = 98,034,121.80 × 38,443,951.68
  4. Step 4: Simplify right side
    71,038,991.04x = 3,768,819,041,470,434.50
  5. Step 5: Solve for x
    x = 3,768,819,041,470,434.50/71,038,991.04
  6. Step 6: Final answer
    x = 53,052,823.33

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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.