Home / 243,602,568.07-365,257,928.41-77,534,340.29

Finding the Fourth Proportional to 243,602,568.07, 365,257,928.41 and 77,534,340.29

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Solution

The fourth proportional to 243,602,568.07, 365,257,928.41 and 77,534,340.29 is: 116,255,065.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,602,568.07 : 365,257,928.41 = 77,534,340.29 : x
  2. Step 2: Convert to fraction form
    243,602,568.07/365,257,928.41 = 77,534,340.29/x
  3. Step 3: Cross multiply
    243,602,568.07x = 365,257,928.41 × 77,534,340.29
  4. Step 4: Simplify right side
    243,602,568.07x = 28,320,032,514,961,404
  5. Step 5: Solve for x
    x = 28,320,032,514,961,404/243,602,568.07
  6. Step 6: Final answer
    x = 116,255,065.53

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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.