Home / 341,990,738.10-512,986,107.15-99,661,547.70

Finding the Fourth Proportional to 341,990,738.10, 512,986,107.15 and 99,661,547.70

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Solution

The fourth proportional to 341,990,738.10, 512,986,107.15 and 99,661,547.70 is: 149,492,321.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,990,738.10 : 512,986,107.15 = 99,661,547.70 : x
  2. Step 2: Convert to fraction form
    341,990,738.10/512,986,107.15 = 99,661,547.70/x
  3. Step 3: Cross multiply
    341,990,738.10x = 512,986,107.15 × 99,661,547.70
  4. Step 4: Simplify right side
    341,990,738.10x = 51,124,989,387,167,032
  5. Step 5: Solve for x
    x = 51,124,989,387,167,032/341,990,738.10
  6. Step 6: Final answer
    x = 149,492,321.55

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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.