Home / 231,094,877.34-318,724,977.90-203,157,854.40

Finding the Fourth Proportional to 231,094,877.34, 318,724,977.90 and 203,157,854.40

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Solution

The fourth proportional to 231,094,877.34, 318,724,977.90 and 203,157,854.40 is: 280,194,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,094,877.34 : 318,724,977.90 = 203,157,854.40 : x
  2. Step 2: Convert to fraction form
    231,094,877.34/318,724,977.90 = 203,157,854.40/x
  3. Step 3: Cross multiply
    231,094,877.34x = 318,724,977.90 × 203,157,854.40
  4. Step 4: Simplify right side
    231,094,877.34x = 64,751,482,653,851,416
  5. Step 5: Solve for x
    x = 64,751,482,653,851,416/231,094,877.34
  6. Step 6: Final answer
    x = 280,194,366.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.