Home / 51,416,153.28-70,955,597.04-28,211,274.12

Finding the Fourth Proportional to 51,416,153.28, 70,955,597.04 and 28,211,274.12

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Solution

The fourth proportional to 51,416,153.28, 70,955,597.04 and 28,211,274.12 is: 38,932,274.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,416,153.28 : 70,955,597.04 = 28,211,274.12 : x
  2. Step 2: Convert to fraction form
    51,416,153.28/70,955,597.04 = 28,211,274.12/x
  3. Step 3: Cross multiply
    51,416,153.28x = 70,955,597.04 × 28,211,274.12
  4. Step 4: Simplify right side
    51,416,153.28x = 2,001,747,798,443,700.75
  5. Step 5: Solve for x
    x = 2,001,747,798,443,700.75/51,416,153.28
  6. Step 6: Final answer
    x = 38,932,274.60

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Double scale
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1.5x scale

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.