Home / 187,053,355.85-258,142,628.09-103,419,938.93

Finding the Fourth Proportional to 187,053,355.85, 258,142,628.09 and 103,419,938.93

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Solution

The fourth proportional to 187,053,355.85, 258,142,628.09 and 103,419,938.93 is: 142,724,490.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,053,355.85 : 258,142,628.09 = 103,419,938.93 : x
  2. Step 2: Convert to fraction form
    187,053,355.85/258,142,628.09 = 103,419,938.93/x
  3. Step 3: Cross multiply
    187,053,355.85x = 258,142,628.09 × 103,419,938.93
  4. Step 4: Simplify right side
    187,053,355.85x = 26,697,094,831,265,340
  5. Step 5: Solve for x
    x = 26,697,094,831,265,340/187,053,355.85
  6. Step 6: Final answer
    x = 142,724,490.08

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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.