Home / 99,270,111.97-148,913,502.86-30,183,515.47

Finding the Fourth Proportional to 99,270,111.97, 148,913,502.86 and 30,183,515.47

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Solution

The fourth proportional to 99,270,111.97, 148,913,502.86 and 30,183,515.47 is: 45,277,807.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,270,111.97 : 148,913,502.86 = 30,183,515.47 : x
  2. Step 2: Convert to fraction form
    99,270,111.97/148,913,502.86 = 30,183,515.47/x
  3. Step 3: Cross multiply
    99,270,111.97x = 148,913,502.86 × 30,183,515.47
  4. Step 4: Simplify right side
    99,270,111.97x = 4,494,733,017,266,699.50
  5. Step 5: Solve for x
    x = 4,494,733,017,266,699.50/99,270,111.97
  6. Step 6: Final answer
    x = 45,277,807.47

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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.