Home / 130,963,243.20-196,444,864.80-54,260,779.20

Finding the Fourth Proportional to 130,963,243.20, 196,444,864.80 and 54,260,779.20

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Solution

The fourth proportional to 130,963,243.20, 196,444,864.80 and 54,260,779.20 is: 81,391,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,963,243.20 : 196,444,864.80 = 54,260,779.20 : x
  2. Step 2: Convert to fraction form
    130,963,243.20/196,444,864.80 = 54,260,779.20/x
  3. Step 3: Cross multiply
    130,963,243.20x = 196,444,864.80 × 54,260,779.20
  4. Step 4: Simplify right side
    130,963,243.20x = 10,659,251,433,886,654
  5. Step 5: Solve for x
    x = 10,659,251,433,886,654/130,963,243.20
  6. Step 6: Final answer
    x = 81,391,168.80

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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.