Home / 124,993,412.10-172,492,288.29-69,239,686.50

Finding the Fourth Proportional to 124,993,412.10, 172,492,288.29 and 69,239,686.50

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Solution

The fourth proportional to 124,993,412.10, 172,492,288.29 and 69,239,686.50 is: 95,551,531.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,993,412.10 : 172,492,288.29 = 69,239,686.50 : x
  2. Step 2: Convert to fraction form
    124,993,412.10/172,492,288.29 = 69,239,686.50/x
  3. Step 3: Cross multiply
    124,993,412.10x = 172,492,288.29 × 69,239,686.50
  4. Step 4: Simplify right side
    124,993,412.10x = 11,943,311,964,867,220
  5. Step 5: Solve for x
    x = 11,943,311,964,867,220/124,993,412.10
  6. Step 6: Final answer
    x = 95,551,531.59

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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.