Home / 161,667,986.40-242,501,979.60-46,656,280.80

Finding the Fourth Proportional to 161,667,986.40, 242,501,979.60 and 46,656,280.80

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Solution

The fourth proportional to 161,667,986.40, 242,501,979.60 and 46,656,280.80 is: 69,984,421.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,667,986.40 : 242,501,979.60 = 46,656,280.80 : x
  2. Step 2: Convert to fraction form
    161,667,986.40/242,501,979.60 = 46,656,280.80/x
  3. Step 3: Cross multiply
    161,667,986.40x = 242,501,979.60 × 46,656,280.80
  4. Step 4: Simplify right side
    161,667,986.40x = 11,314,240,454,773,470
  5. Step 5: Solve for x
    x = 11,314,240,454,773,470/161,667,986.40
  6. Step 6: Final answer
    x = 69,984,421.20

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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.