Home / 219,779,780.40-330,047,584.20-155,534,468.40

Finding the Fourth Proportional to 219,779,780.40, 330,047,584.20 and 155,534,468.40

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Solution

The fourth proportional to 219,779,780.40, 330,047,584.20 and 155,534,468.40 is: 233,569,145.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,779,780.40 : 330,047,584.20 = 155,534,468.40 : x
  2. Step 2: Convert to fraction form
    219,779,780.40/330,047,584.20 = 155,534,468.40/x
  3. Step 3: Cross multiply
    219,779,780.40x = 330,047,584.20 × 155,534,468.40
  4. Step 4: Simplify right side
    219,779,780.40x = 51,333,775,555,251,240
  5. Step 5: Solve for x
    x = 51,333,775,555,251,240/219,779,780.40
  6. Step 6: Final answer
    x = 233,569,145.72

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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.