Home / 235,872,073.80-353,808,110.70-166,997,320.20

Finding the Fourth Proportional to 235,872,073.80, 353,808,110.70 and 166,997,320.20

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Solution

The fourth proportional to 235,872,073.80, 353,808,110.70 and 166,997,320.20 is: 250,495,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,872,073.80 : 353,808,110.70 = 166,997,320.20 : x
  2. Step 2: Convert to fraction form
    235,872,073.80/353,808,110.70 = 166,997,320.20/x
  3. Step 3: Cross multiply
    235,872,073.80x = 353,808,110.70 × 166,997,320.20
  4. Step 4: Simplify right side
    235,872,073.80x = 59,085,006,351,924,936
  5. Step 5: Solve for x
    x = 59,085,006,351,924,936/235,872,073.80
  6. Step 6: Final answer
    x = 250,495,980.30

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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.