Home / 83,716,715.10-125,575,072.65-61,041,899.10

Finding the Fourth Proportional to 83,716,715.10, 125,575,072.65 and 61,041,899.10

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Solution

The fourth proportional to 83,716,715.10, 125,575,072.65 and 61,041,899.10 is: 91,562,848.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,716,715.10 : 125,575,072.65 = 61,041,899.10 : x
  2. Step 2: Convert to fraction form
    83,716,715.10/125,575,072.65 = 61,041,899.10/x
  3. Step 3: Cross multiply
    83,716,715.10x = 125,575,072.65 × 61,041,899.10
  4. Step 4: Simplify right side
    83,716,715.10x = 7,665,340,914,176,470
  5. Step 5: Solve for x
    x = 7,665,340,914,176,470/83,716,715.10
  6. Step 6: Final answer
    x = 91,562,848.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.