Home / 124,677,312.31-172,054,924.50-69,673,168.81

Finding the Fourth Proportional to 124,677,312.31, 172,054,924.50 and 69,673,168.81

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Solution

The fourth proportional to 124,677,312.31, 172,054,924.50 and 69,673,168.81 is: 96,149,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,677,312.31 : 172,054,924.50 = 69,673,168.81 : x
  2. Step 2: Convert to fraction form
    124,677,312.31/172,054,924.50 = 69,673,168.81/x
  3. Step 3: Cross multiply
    124,677,312.31x = 172,054,924.50 × 69,673,168.81
  4. Step 4: Simplify right side
    124,677,312.31x = 11,987,611,799,280,306
  5. Step 5: Solve for x
    x = 11,987,611,799,280,306/124,677,312.31
  6. Step 6: Final answer
    x = 96,149,103.45

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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.