Home / 158,271,258.90-218,426,454.16-99,584,229.26

Finding the Fourth Proportional to 158,271,258.90, 218,426,454.16 and 99,584,229.26

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Solution

The fourth proportional to 158,271,258.90, 218,426,454.16 and 99,584,229.26 is: 137,433,860.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,271,258.90 : 218,426,454.16 = 99,584,229.26 : x
  2. Step 2: Convert to fraction form
    158,271,258.90/218,426,454.16 = 99,584,229.26/x
  3. Step 3: Cross multiply
    158,271,258.90x = 218,426,454.16 × 99,584,229.26
  4. Step 4: Simplify right side
    158,271,258.90x = 21,751,830,087,518,320
  5. Step 5: Solve for x
    x = 21,751,830,087,518,320/158,271,258.90
  6. Step 6: Final answer
    x = 137,433,860.31

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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.