Home / 100,208,045.70-150,312,068.55-61,944,293.70

Finding the Fourth Proportional to 100,208,045.70, 150,312,068.55 and 61,944,293.70

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Solution

The fourth proportional to 100,208,045.70, 150,312,068.55 and 61,944,293.70 is: 92,916,440.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,208,045.70 : 150,312,068.55 = 61,944,293.70 : x
  2. Step 2: Convert to fraction form
    100,208,045.70/150,312,068.55 = 61,944,293.70/x
  3. Step 3: Cross multiply
    100,208,045.70x = 150,312,068.55 × 61,944,293.70
  4. Step 4: Simplify right side
    100,208,045.70x = 9,310,974,920,915,734
  5. Step 5: Solve for x
    x = 9,310,974,920,915,734/100,208,045.70
  6. Step 6: Final answer
    x = 92,916,440.55

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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.