Home / 284,092,211.12-392,005,217.40-172,525,031.60

Finding the Fourth Proportional to 284,092,211.12, 392,005,217.40 and 172,525,031.60

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Solution

The fourth proportional to 284,092,211.12, 392,005,217.40 and 172,525,031.60 is: 238,059,017.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,092,211.12 : 392,005,217.40 = 172,525,031.60 : x
  2. Step 2: Convert to fraction form
    284,092,211.12/392,005,217.40 = 172,525,031.60/x
  3. Step 3: Cross multiply
    284,092,211.12x = 392,005,217.40 × 172,525,031.60
  4. Step 4: Simplify right side
    284,092,211.12x = 67,630,712,519,299,864
  5. Step 5: Solve for x
    x = 67,630,712,519,299,864/284,092,211.12
  6. Step 6: Final answer
    x = 238,059,017.01

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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.