Home / 245,465,398.80-368,157,915.72-99,893,080.08

Finding the Fourth Proportional to 245,465,398.80, 368,157,915.72 and 99,893,080.08

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Solution

The fourth proportional to 245,465,398.80, 368,157,915.72 and 99,893,080.08 is: 149,823,267.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,465,398.80 : 368,157,915.72 = 99,893,080.08 : x
  2. Step 2: Convert to fraction form
    245,465,398.80/368,157,915.72 = 99,893,080.08/x
  3. Step 3: Cross multiply
    245,465,398.80x = 368,157,915.72 × 99,893,080.08
  4. Step 4: Simplify right side
    245,465,398.80x = 36,776,428,157,103,856
  5. Step 5: Solve for x
    x = 36,776,428,157,103,856/245,465,398.80
  6. Step 6: Final answer
    x = 149,823,267.71

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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.