Home / 239,565,834.28-330,601,847.28-129,557,547.28

Finding the Fourth Proportional to 239,565,834.28, 330,601,847.28 and 129,557,547.28

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Solution

The fourth proportional to 239,565,834.28, 330,601,847.28 and 129,557,547.28 is: 178,789,953.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,565,834.28 : 330,601,847.28 = 129,557,547.28 : x
  2. Step 2: Convert to fraction form
    239,565,834.28/330,601,847.28 = 129,557,547.28/x
  3. Step 3: Cross multiply
    239,565,834.28x = 330,601,847.28 × 129,557,547.28
  4. Step 4: Simplify right side
    239,565,834.28x = 42,831,964,459,833,936
  5. Step 5: Solve for x
    x = 42,831,964,459,833,936/239,565,834.28
  6. Step 6: Final answer
    x = 178,789,953.87

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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.