Home / 231,975,017.10-347,962,525.65-155,533,826.70

Finding the Fourth Proportional to 231,975,017.10, 347,962,525.65 and 155,533,826.70

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Solution

The fourth proportional to 231,975,017.10, 347,962,525.65 and 155,533,826.70 is: 233,300,740.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,975,017.10 : 347,962,525.65 = 155,533,826.70 : x
  2. Step 2: Convert to fraction form
    231,975,017.10/347,962,525.65 = 155,533,826.70/x
  3. Step 3: Cross multiply
    231,975,017.10x = 347,962,525.65 × 155,533,826.70
  4. Step 4: Simplify right side
    231,975,017.10x = 54,119,943,162,541,400
  5. Step 5: Solve for x
    x = 54,119,943,162,541,400/231,975,017.10
  6. Step 6: Final answer
    x = 233,300,740.05

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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.