Home / 158,271,454.98-218,426,724.78-99,584,425.35

Finding the Fourth Proportional to 158,271,454.98, 218,426,724.78 and 99,584,425.35

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Solution

The fourth proportional to 158,271,454.98, 218,426,724.78 and 99,584,425.35 is: 137,434,130.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,271,454.98 : 218,426,724.78 = 99,584,425.35 : x
  2. Step 2: Convert to fraction form
    158,271,454.98/218,426,724.78 = 99,584,425.35/x
  3. Step 3: Cross multiply
    158,271,454.98x = 218,426,724.78 × 99,584,425.35
  4. Step 4: Simplify right side
    158,271,454.98x = 21,751,899,868,486,120
  5. Step 5: Solve for x
    x = 21,751,899,868,486,120/158,271,454.98
  6. Step 6: Final answer
    x = 137,434,130.94

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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.