Home / 42,564,020.70-63,846,031.05-25,557,908.70

Finding the Fourth Proportional to 42,564,020.70, 63,846,031.05 and 25,557,908.70

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Solution

The fourth proportional to 42,564,020.70, 63,846,031.05 and 25,557,908.70 is: 38,336,863.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,564,020.70 : 63,846,031.05 = 25,557,908.70 : x
  2. Step 2: Convert to fraction form
    42,564,020.70/63,846,031.05 = 25,557,908.70/x
  3. Step 3: Cross multiply
    42,564,020.70x = 63,846,031.05 × 25,557,908.70
  4. Step 4: Simplify right side
    42,564,020.70x = 1,631,771,032,433,265
  5. Step 5: Solve for x
    x = 1,631,771,032,433,265/42,564,020.70
  6. Step 6: Final answer
    x = 38,336,863.05

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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.