Home / 186,688,385.20-280,032,577.80-168,194,238.40

Finding the Fourth Proportional to 186,688,385.20, 280,032,577.80 and 168,194,238.40

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Solution

The fourth proportional to 186,688,385.20, 280,032,577.80 and 168,194,238.40 is: 252,291,357.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,688,385.20 : 280,032,577.80 = 168,194,238.40 : x
  2. Step 2: Convert to fraction form
    186,688,385.20/280,032,577.80 = 168,194,238.40/x
  3. Step 3: Cross multiply
    186,688,385.20x = 280,032,577.80 × 168,194,238.40
  4. Step 4: Simplify right side
    186,688,385.20x = 47,099,866,150,259,752
  5. Step 5: Solve for x
    x = 47,099,866,150,259,752/186,688,385.20
  6. Step 6: Final answer
    x = 252,291,357.60

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1.5x scale

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.