Home / 69,856,253.21-96,402,274.54-38,495,423.88

Finding the Fourth Proportional to 69,856,253.21, 96,402,274.54 and 38,495,423.88

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Solution

The fourth proportional to 69,856,253.21, 96,402,274.54 and 38,495,423.88 is: 53,124,040.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,856,253.21 : 96,402,274.54 = 38,495,423.88 : x
  2. Step 2: Convert to fraction form
    69,856,253.21/96,402,274.54 = 38,495,423.88/x
  3. Step 3: Cross multiply
    69,856,253.21x = 96,402,274.54 × 38,495,423.88
  4. Step 4: Simplify right side
    69,856,253.21x = 3,711,046,421,317,193.50
  5. Step 5: Solve for x
    x = 3,711,046,421,317,193.50/69,856,253.21
  6. Step 6: Final answer
    x = 53,124,040.45

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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.