Home / 187,053,437.22-258,142,740.40-103,420,020.30

Finding the Fourth Proportional to 187,053,437.22, 258,142,740.40 and 103,420,020.30

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Solution

The fourth proportional to 187,053,437.22, 258,142,740.40 and 103,420,020.30 is: 142,724,602.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,053,437.22 : 258,142,740.40 = 103,420,020.30 : x
  2. Step 2: Convert to fraction form
    187,053,437.22/258,142,740.40 = 103,420,020.30/x
  3. Step 3: Cross multiply
    187,053,437.22x = 258,142,740.40 × 103,420,020.30
  4. Step 4: Simplify right side
    187,053,437.22x = 26,697,127,452,465,628
  5. Step 5: Solve for x
    x = 26,697,127,452,465,628/187,053,437.22
  6. Step 6: Final answer
    x = 142,724,602.39

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1.5x scale

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.