Home / 187,053,436.22-258,142,739.02-103,420,019.30

Finding the Fourth Proportional to 187,053,436.22, 258,142,739.02 and 103,420,019.30

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Solution

The fourth proportional to 187,053,436.22, 258,142,739.02 and 103,420,019.30 is: 142,724,601.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,053,436.22 : 258,142,739.02 = 103,420,019.30 : x
  2. Step 2: Convert to fraction form
    187,053,436.22/258,142,739.02 = 103,420,019.30/x
  3. Step 3: Cross multiply
    187,053,436.22x = 258,142,739.02 × 103,420,019.30
  4. Step 4: Simplify right side
    187,053,436.22x = 26,697,127,051,603,264
  5. Step 5: Solve for x
    x = 26,697,127,051,603,264/187,053,436.22
  6. Step 6: Final answer
    x = 142,724,601.01

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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.