Home / 66,853,436.85-92,249,219.78-38,969,170.45

Finding the Fourth Proportional to 66,853,436.85, 92,249,219.78 and 38,969,170.45

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Solution

The fourth proportional to 66,853,436.85, 92,249,219.78 and 38,969,170.45 is: 53,772,487.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,853,436.85 : 92,249,219.78 = 38,969,170.45 : x
  2. Step 2: Convert to fraction form
    66,853,436.85/92,249,219.78 = 38,969,170.45/x
  3. Step 3: Cross multiply
    66,853,436.85x = 92,249,219.78 × 38,969,170.45
  4. Step 4: Simplify right side
    66,853,436.85x = 3,594,875,569,060,862.50
  5. Step 5: Solve for x
    x = 3,594,875,569,060,862.50/66,853,436.85
  6. Step 6: Final answer
    x = 53,772,487.08

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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.