Home / 144,674,228.80-217,011,343.20-53,779,009.60

Finding the Fourth Proportional to 144,674,228.80, 217,011,343.20 and 53,779,009.60

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Solution

The fourth proportional to 144,674,228.80, 217,011,343.20 and 53,779,009.60 is: 80,668,514.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,674,228.80 : 217,011,343.20 = 53,779,009.60 : x
  2. Step 2: Convert to fraction form
    144,674,228.80/217,011,343.20 = 53,779,009.60/x
  3. Step 3: Cross multiply
    144,674,228.80x = 217,011,343.20 × 53,779,009.60
  4. Step 4: Simplify right side
    144,674,228.80x = 11,670,655,109,261,694
  5. Step 5: Solve for x
    x = 11,670,655,109,261,694/144,674,228.80
  6. Step 6: Final answer
    x = 80,668,514.40

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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.