Home / 315,070,421.80-472,393,056.30-151,386,593.80

Finding the Fourth Proportional to 315,070,421.80, 472,393,056.30 and 151,386,593.80

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Solution

The fourth proportional to 315,070,421.80, 472,393,056.30 and 151,386,593.80 is: 226,977,750.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,070,421.80 : 472,393,056.30 = 151,386,593.80 : x
  2. Step 2: Convert to fraction form
    315,070,421.80/472,393,056.30 = 151,386,593.80/x
  3. Step 3: Cross multiply
    315,070,421.80x = 472,393,056.30 × 151,386,593.80
  4. Step 4: Simplify right side
    315,070,421.80x = 71,513,975,728,028,640
  5. Step 5: Solve for x
    x = 71,513,975,728,028,640/315,070,421.80
  6. Step 6: Final answer
    x = 226,977,750.94

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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.