Home / 186,688,377.70-280,032,566.55-168,194,230.90

Finding the Fourth Proportional to 186,688,377.70, 280,032,566.55 and 168,194,230.90

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Solution

The fourth proportional to 186,688,377.70, 280,032,566.55 and 168,194,230.90 is: 252,291,346.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,688,377.70 : 280,032,566.55 = 168,194,230.90 : x
  2. Step 2: Convert to fraction form
    186,688,377.70/280,032,566.55 = 168,194,230.90/x
  3. Step 3: Cross multiply
    186,688,377.70x = 280,032,566.55 × 168,194,230.90
  4. Step 4: Simplify right side
    186,688,377.70x = 47,099,862,157,830,320
  5. Step 5: Solve for x
    x = 47,099,862,157,830,320/186,688,377.70
  6. Step 6: Final answer
    x = 252,291,346.35

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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.