Home / 49,930,819.60-74,896,229.40-42,372,547.60

Finding the Fourth Proportional to 49,930,819.60, 74,896,229.40 and 42,372,547.60

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Solution

The fourth proportional to 49,930,819.60, 74,896,229.40 and 42,372,547.60 is: 63,558,821.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,930,819.60 : 74,896,229.40 = 42,372,547.60 : x
  2. Step 2: Convert to fraction form
    49,930,819.60/74,896,229.40 = 42,372,547.60/x
  3. Step 3: Cross multiply
    49,930,819.60x = 74,896,229.40 × 42,372,547.60
  4. Step 4: Simplify right side
    49,930,819.60x = 3,173,544,045,312,020
  5. Step 5: Solve for x
    x = 3,173,544,045,312,020/49,930,819.60
  6. Step 6: Final answer
    x = 63,558,821.40

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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.