Home / 68,368,780.72-94,333,834.74-40,477,641.68

Finding the Fourth Proportional to 68,368,780.72, 94,333,834.74 and 40,477,641.68

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Solution

The fourth proportional to 68,368,780.72, 94,333,834.74 and 40,477,641.68 is: 55,850,215.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,368,780.72 : 94,333,834.74 = 40,477,641.68 : x
  2. Step 2: Convert to fraction form
    68,368,780.72/94,333,834.74 = 40,477,641.68/x
  3. Step 3: Cross multiply
    68,368,780.72x = 94,333,834.74 × 40,477,641.68
  4. Step 4: Simplify right side
    68,368,780.72x = 3,818,411,160,906,055.50
  5. Step 5: Solve for x
    x = 3,818,411,160,906,055.50/68,368,780.72
  6. Step 6: Final answer
    x = 55,850,215.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.