Home / 186,994,724.10-280,492,086.15-155,144,228.10

Finding the Fourth Proportional to 186,994,724.10, 280,492,086.15 and 155,144,228.10

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Solution

The fourth proportional to 186,994,724.10, 280,492,086.15 and 155,144,228.10 is: 232,716,342.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,994,724.10 : 280,492,086.15 = 155,144,228.10 : x
  2. Step 2: Convert to fraction form
    186,994,724.10/280,492,086.15 = 155,144,228.10/x
  3. Step 3: Cross multiply
    186,994,724.10x = 280,492,086.15 × 155,144,228.10
  4. Step 4: Simplify right side
    186,994,724.10x = 43,516,728,193,900,448
  5. Step 5: Solve for x
    x = 43,516,728,193,900,448/186,994,724.10
  6. Step 6: Final answer
    x = 232,716,342.15

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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.