Home / 158,113,723.97-218,165,931.27-99,342,337.29

Finding the Fourth Proportional to 158,113,723.97, 218,165,931.27 and 99,342,337.29

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Solution

The fourth proportional to 158,113,723.97, 218,165,931.27 and 99,342,337.29 is: 137,072,943.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,113,723.97 : 218,165,931.27 = 99,342,337.29 : x
  2. Step 2: Convert to fraction form
    158,113,723.97/218,165,931.27 = 99,342,337.29/x
  3. Step 3: Cross multiply
    158,113,723.97x = 218,165,931.27 × 99,342,337.29
  4. Step 4: Simplify right side
    158,113,723.97x = 21,673,113,529,411,300
  5. Step 5: Solve for x
    x = 21,673,113,529,411,300/158,113,723.97
  6. Step 6: Final answer
    x = 137,072,943.36

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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.