Home / 84,521,981.59-116,643,218.03-47,353,829.11

Finding the Fourth Proportional to 84,521,981.59, 116,643,218.03 and 47,353,829.11

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Solution

The fourth proportional to 84,521,981.59, 116,643,218.03 and 47,353,829.11 is: 65,349,899.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,521,981.59 : 116,643,218.03 = 47,353,829.11 : x
  2. Step 2: Convert to fraction form
    84,521,981.59/116,643,218.03 = 47,353,829.11/x
  3. Step 3: Cross multiply
    84,521,981.59x = 116,643,218.03 × 47,353,829.11
  4. Step 4: Simplify right side
    84,521,981.59x = 5,523,503,013,196,322
  5. Step 5: Solve for x
    x = 5,523,503,013,196,322/84,521,981.59
  6. Step 6: Final answer
    x = 65,349,899.63

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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.