Home / 51,128,439.83-70,557,698.06-29,103,357.53

Finding the Fourth Proportional to 51,128,439.83, 70,557,698.06 and 29,103,357.53

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Solution

The fourth proportional to 51,128,439.83, 70,557,698.06 and 29,103,357.53 is: 40,162,890.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,128,439.83 : 70,557,698.06 = 29,103,357.53 : x
  2. Step 2: Convert to fraction form
    51,128,439.83/70,557,698.06 = 29,103,357.53/x
  3. Step 3: Cross multiply
    51,128,439.83x = 70,557,698.06 × 29,103,357.53
  4. Step 4: Simplify right side
    51,128,439.83x = 2,053,465,913,133,967.50
  5. Step 5: Solve for x
    x = 2,053,465,913,133,967.50/51,128,439.83
  6. Step 6: Final answer
    x = 40,162,890.16

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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.