Home / 103,243,529.43-154,808,689.35-40,931,719.29

Finding the Fourth Proportional to 103,243,529.43, 154,808,689.35 and 40,931,719.29

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Solution

The fourth proportional to 103,243,529.43, 154,808,689.35 and 40,931,719.29 is: 61,375,137.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,243,529.43 : 154,808,689.35 = 40,931,719.29 : x
  2. Step 2: Convert to fraction form
    103,243,529.43/154,808,689.35 = 40,931,719.29/x
  3. Step 3: Cross multiply
    103,243,529.43x = 154,808,689.35 × 40,931,719.29
  4. Step 4: Simplify right side
    103,243,529.43x = 6,336,585,816,127,012
  5. Step 5: Solve for x
    x = 6,336,585,816,127,012/103,243,529.43
  6. Step 6: Final answer
    x = 61,375,137.51

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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.