Home / 115,245,701.19-159,042,854.69-63,034,735.16

Finding the Fourth Proportional to 115,245,701.19, 159,042,854.69 and 63,034,735.16

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Solution

The fourth proportional to 115,245,701.19, 159,042,854.69 and 63,034,735.16 is: 86,990,005.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,245,701.19 : 159,042,854.69 = 63,034,735.16 : x
  2. Step 2: Convert to fraction form
    115,245,701.19/159,042,854.69 = 63,034,735.16/x
  3. Step 3: Cross multiply
    115,245,701.19x = 159,042,854.69 × 63,034,735.16
  4. Step 4: Simplify right side
    115,245,701.19x = 10,025,224,223,364,126
  5. Step 5: Solve for x
    x = 10,025,224,223,364,126/115,245,701.19
  6. Step 6: Final answer
    x = 86,990,005.87

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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.