Home / 71,370,678.45-106,936,443.45-61,087,295.10

Finding the Fourth Proportional to 71,370,678.45, 106,936,443.45 and 61,087,295.10

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Solution

The fourth proportional to 71,370,678.45, 106,936,443.45 and 61,087,295.10 is: 91,528,597.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,370,678.45 : 106,936,443.45 = 61,087,295.10 : x
  2. Step 2: Convert to fraction form
    71,370,678.45/106,936,443.45 = 61,087,295.10/x
  3. Step 3: Cross multiply
    71,370,678.45x = 106,936,443.45 × 61,087,295.10
  4. Step 4: Simplify right side
    71,370,678.45x = 6,532,458,077,974,612
  5. Step 5: Solve for x
    x = 6,532,458,077,974,612/71,370,678.45
  6. Step 6: Final answer
    x = 91,528,597.18

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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.