Home / 66,708,931.56-92,059,265.73-38,435,678.72

Finding the Fourth Proportional to 66,708,931.56, 92,059,265.73 and 38,435,678.72

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Solution

The fourth proportional to 66,708,931.56, 92,059,265.73 and 38,435,678.72 is: 53,041,778.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,708,931.56 : 92,059,265.73 = 38,435,678.72 : x
  2. Step 2: Convert to fraction form
    66,708,931.56/92,059,265.73 = 38,435,678.72/x
  3. Step 3: Cross multiply
    66,708,931.56x = 92,059,265.73 × 38,435,678.72
  4. Step 4: Simplify right side
    66,708,931.56x = 3,538,360,360,337,090.50
  5. Step 5: Solve for x
    x = 3,538,360,360,337,090.50/66,708,931.56
  6. Step 6: Final answer
    x = 53,041,778.33

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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.