Home / 256,425,155.52-353,827,574.40-144,875,293.92

Finding the Fourth Proportional to 256,425,155.52, 353,827,574.40 and 144,875,293.92

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Solution

The fourth proportional to 256,425,155.52, 353,827,574.40 and 144,875,293.92 is: 199,905,792.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,425,155.52 : 353,827,574.40 = 144,875,293.92 : x
  2. Step 2: Convert to fraction form
    256,425,155.52/353,827,574.40 = 144,875,293.92/x
  3. Step 3: Cross multiply
    256,425,155.52x = 353,827,574.40 × 144,875,293.92
  4. Step 4: Simplify right side
    256,425,155.52x = 51,260,873,838,200,656
  5. Step 5: Solve for x
    x = 51,260,873,838,200,656/256,425,155.52
  6. Step 6: Final answer
    x = 199,905,792.14

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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.