Home / 281,899,370.03-389,016,357.47-158,137,389.95

Finding the Fourth Proportional to 281,899,370.03, 389,016,357.47 and 158,137,389.95

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Solution

The fourth proportional to 281,899,370.03, 389,016,357.47 and 158,137,389.95 is: 218,226,920.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,899,370.03 : 389,016,357.47 = 158,137,389.95 : x
  2. Step 2: Convert to fraction form
    281,899,370.03/389,016,357.47 = 158,137,389.95/x
  3. Step 3: Cross multiply
    281,899,370.03x = 389,016,357.47 × 158,137,389.95
  4. Step 4: Simplify right side
    281,899,370.03x = 61,518,031,415,426,208
  5. Step 5: Solve for x
    x = 61,518,031,415,426,208/281,899,370.03
  6. Step 6: Final answer
    x = 218,226,920.51

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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.