Home / 83,093,733.59-124,640,433.14-78,037,215.50

Finding the Fourth Proportional to 83,093,733.59, 124,640,433.14 and 78,037,215.50

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Solution

The fourth proportional to 83,093,733.59, 124,640,433.14 and 78,037,215.50 is: 117,055,666.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,093,733.59 : 124,640,433.14 = 78,037,215.50 : x
  2. Step 2: Convert to fraction form
    83,093,733.59/124,640,433.14 = 78,037,215.50/x
  3. Step 3: Cross multiply
    83,093,733.59x = 124,640,433.14 × 78,037,215.50
  4. Step 4: Simplify right side
    83,093,733.59x = 9,726,592,340,880,936
  5. Step 5: Solve for x
    x = 9,726,592,340,880,936/83,093,733.59
  6. Step 6: Final answer
    x = 117,055,666.19

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1.5x scale

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.