Home / 219,779,618.40-330,047,341.20-155,534,306.40

Finding the Fourth Proportional to 219,779,618.40, 330,047,341.20 and 155,534,306.40

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Solution

The fourth proportional to 219,779,618.40, 330,047,341.20 and 155,534,306.40 is: 233,568,902.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,779,618.40 : 330,047,341.20 = 155,534,306.40 : x
  2. Step 2: Convert to fraction form
    219,779,618.40/330,047,341.20 = 155,534,306.40/x
  3. Step 3: Cross multiply
    219,779,618.40x = 330,047,341.20 × 155,534,306.40
  4. Step 4: Simplify right side
    219,779,618.40x = 51,333,684,292,706,144
  5. Step 5: Solve for x
    x = 51,333,684,292,706,144/219,779,618.40
  6. Step 6: Final answer
    x = 233,568,902.64

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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.