Home / 66,648,902.57-91,953,209.76-38,765,693.83

Finding the Fourth Proportional to 66,648,902.57, 91,953,209.76 and 38,765,693.83

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Solution

The fourth proportional to 66,648,902.57, 91,953,209.76 and 38,765,693.83 is: 53,483,700.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,648,902.57 : 91,953,209.76 = 38,765,693.83 : x
  2. Step 2: Convert to fraction form
    66,648,902.57/91,953,209.76 = 38,765,693.83/x
  3. Step 3: Cross multiply
    66,648,902.57x = 91,953,209.76 × 38,765,693.83
  4. Step 4: Simplify right side
    66,648,902.57x = 3,564,629,975,869,192.50
  5. Step 5: Solve for x
    x = 3,564,629,975,869,192.50/66,648,902.57
  6. Step 6: Final answer
    x = 53,483,700.98

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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.