Home / 130,779,269.08-196,193,039.90-54,108,276.01

Finding the Fourth Proportional to 130,779,269.08, 196,193,039.90 and 54,108,276.01

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Solution

The fourth proportional to 130,779,269.08, 196,193,039.90 and 54,108,276.01 is: 81,172,400.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,779,269.08 : 196,193,039.90 = 54,108,276.01 : x
  2. Step 2: Convert to fraction form
    130,779,269.08/196,193,039.90 = 54,108,276.01/x
  3. Step 3: Cross multiply
    130,779,269.08x = 196,193,039.90 × 54,108,276.01
  4. Step 4: Simplify right side
    130,779,269.08x = 10,615,667,153,389,120
  5. Step 5: Solve for x
    x = 10,615,667,153,389,120/130,779,269.08
  6. Step 6: Final answer
    x = 81,172,400.09

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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.