Home / 287,784,210.30-431,581,837.05-106,007,768.70

Finding the Fourth Proportional to 287,784,210.30, 431,581,837.05 and 106,007,768.70

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Solution

The fourth proportional to 287,784,210.30, 431,581,837.05 and 106,007,768.70 is: 158,976,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    287,784,210.30 : 431,581,837.05 = 106,007,768.70 : x
  2. Step 2: Convert to fraction form
    287,784,210.30/431,581,837.05 = 106,007,768.70/x
  3. Step 3: Cross multiply
    287,784,210.30x = 431,581,837.05 × 106,007,768.70
  4. Step 4: Simplify right side
    287,784,210.30x = 45,751,027,557,117,496
  5. Step 5: Solve for x
    x = 45,751,027,557,117,496/287,784,210.30
  6. Step 6: Final answer
    x = 158,976,851.13

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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.