Home / 345,222,294.21-518,037,744.02-127,025,864.19

Finding the Fourth Proportional to 345,222,294.21, 518,037,744.02 and 127,025,864.19

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Solution

The fourth proportional to 345,222,294.21, 518,037,744.02 and 127,025,864.19 is: 190,613,970.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,222,294.21 : 518,037,744.02 = 127,025,864.19 : x
  2. Step 2: Convert to fraction form
    345,222,294.21/518,037,744.02 = 127,025,864.19/x
  3. Step 3: Cross multiply
    345,222,294.21x = 518,037,744.02 × 127,025,864.19
  4. Step 4: Simplify right side
    345,222,294.21x = 65,804,192,116,543,376
  5. Step 5: Solve for x
    x = 65,804,192,116,543,376/345,222,294.21
  6. Step 6: Final answer
    x = 190,613,970.25

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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.