Home / 84,309,618.43-116,311,646.71-56,441,307.36

Finding the Fourth Proportional to 84,309,618.43, 116,311,646.71 and 56,441,307.36

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Solution

The fourth proportional to 84,309,618.43, 116,311,646.71 and 56,441,307.36 is: 77,865,153.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,309,618.43 : 116,311,646.71 = 56,441,307.36 : x
  2. Step 2: Convert to fraction form
    84,309,618.43/116,311,646.71 = 56,441,307.36/x
  3. Step 3: Cross multiply
    84,309,618.43x = 116,311,646.71 × 56,441,307.36
  4. Step 4: Simplify right side
    84,309,618.43x = 6,564,781,401,695,799
  5. Step 5: Solve for x
    x = 6,564,781,401,695,799/84,309,618.43
  6. Step 6: Final answer
    x = 77,865,153.75

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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.