Home / 100,712,144.16-138,792,795.69-88,240,995.36

Finding the Fourth Proportional to 100,712,144.16, 138,792,795.69 and 88,240,995.36

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Solution

The fourth proportional to 100,712,144.16, 138,792,795.69 and 88,240,995.36 is: 121,606,133.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,712,144.16 : 138,792,795.69 = 88,240,995.36 : x
  2. Step 2: Convert to fraction form
    100,712,144.16/138,792,795.69 = 88,240,995.36/x
  3. Step 3: Cross multiply
    100,712,144.16x = 138,792,795.69 × 88,240,995.36
  4. Step 4: Simplify right side
    100,712,144.16x = 12,247,214,440,482,718
  5. Step 5: Solve for x
    x = 12,247,214,440,482,718/100,712,144.16
  6. Step 6: Final answer
    x = 121,606,133.43

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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.