Home / 147,744,669.60-221,617,004.40-79,720,221.60

Finding the Fourth Proportional to 147,744,669.60, 221,617,004.40 and 79,720,221.60

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Solution

The fourth proportional to 147,744,669.60, 221,617,004.40 and 79,720,221.60 is: 119,580,332.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,744,669.60 : 221,617,004.40 = 79,720,221.60 : x
  2. Step 2: Convert to fraction form
    147,744,669.60/221,617,004.40 = 79,720,221.60/x
  3. Step 3: Cross multiply
    147,744,669.60x = 221,617,004.40 × 79,720,221.60
  4. Step 4: Simplify right side
    147,744,669.60x = 17,667,356,701,096,174
  5. Step 5: Solve for x
    x = 17,667,356,701,096,174/147,744,669.60
  6. Step 6: Final answer
    x = 119,580,332.40

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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.