Home / 186,672,000.80-280,008,001.20-122,174,746.40

Finding the Fourth Proportional to 186,672,000.80, 280,008,001.20 and 122,174,746.40

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Solution

The fourth proportional to 186,672,000.80, 280,008,001.20 and 122,174,746.40 is: 183,262,119.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,672,000.80 : 280,008,001.20 = 122,174,746.40 : x
  2. Step 2: Convert to fraction form
    186,672,000.80/280,008,001.20 = 122,174,746.40/x
  3. Step 3: Cross multiply
    186,672,000.80x = 280,008,001.20 × 122,174,746.40
  4. Step 4: Simplify right side
    186,672,000.80x = 34,209,906,536,580,896
  5. Step 5: Solve for x
    x = 34,209,906,536,580,896/186,672,000.80
  6. Step 6: Final answer
    x = 183,262,119.60

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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.