Home / 307,637,784.32-424,087,843.20-234,170,965.76

Finding the Fourth Proportional to 307,637,784.32, 424,087,843.20 and 234,170,965.76

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Solution

The fourth proportional to 307,637,784.32, 424,087,843.20 and 234,170,965.76 is: 322,811,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,637,784.32 : 424,087,843.20 = 234,170,965.76 : x
  2. Step 2: Convert to fraction form
    307,637,784.32/424,087,843.20 = 234,170,965.76/x
  3. Step 3: Cross multiply
    307,637,784.32x = 424,087,843.20 × 234,170,965.76
  4. Step 4: Simplify right side
    307,637,784.32x = 99,309,059,809,219,440
  5. Step 5: Solve for x
    x = 99,309,059,809,219,440/307,637,784.32
  6. Step 6: Final answer
    x = 322,811,646.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.