Home / 69,124,428.70-103,686,643.05-43,482,291.10

Finding the Fourth Proportional to 69,124,428.70, 103,686,643.05 and 43,482,291.10

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Solution

The fourth proportional to 69,124,428.70, 103,686,643.05 and 43,482,291.10 is: 65,223,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,124,428.70 : 103,686,643.05 = 43,482,291.10 : x
  2. Step 2: Convert to fraction form
    69,124,428.70/103,686,643.05 = 43,482,291.10/x
  3. Step 3: Cross multiply
    69,124,428.70x = 103,686,643.05 × 43,482,291.10
  4. Step 4: Simplify right side
    69,124,428.70x = 4,508,532,796,281,892
  5. Step 5: Solve for x
    x = 4,508,532,796,281,892/69,124,428.70
  6. Step 6: Final answer
    x = 65,223,436.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.