Home / 272,538,000.30-408,807,000.45-157,746,744.30

Finding the Fourth Proportional to 272,538,000.30, 408,807,000.45 and 157,746,744.30

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Solution

The fourth proportional to 272,538,000.30, 408,807,000.45 and 157,746,744.30 is: 236,620,116.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,538,000.30 : 408,807,000.45 = 157,746,744.30 : x
  2. Step 2: Convert to fraction form
    272,538,000.30/408,807,000.45 = 157,746,744.30/x
  3. Step 3: Cross multiply
    272,538,000.30x = 408,807,000.45 × 157,746,744.30
  4. Step 4: Simplify right side
    272,538,000.30x = 64,487,973,368,036,136
  5. Step 5: Solve for x
    x = 64,487,973,368,036,136/272,538,000.30
  6. Step 6: Final answer
    x = 236,620,116.45

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1.5x scale

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.