Home / 266,771,312.60-400,057,436.10-105,179,811.80

Finding the Fourth Proportional to 266,771,312.60, 400,057,436.10 and 105,179,811.80

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Solution

The fourth proportional to 266,771,312.60, 400,057,436.10 and 105,179,811.80 is: 157,730,474.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,771,312.60 : 400,057,436.10 = 105,179,811.80 : x
  2. Step 2: Convert to fraction form
    266,771,312.60/400,057,436.10 = 105,179,811.80/x
  3. Step 3: Cross multiply
    266,771,312.60x = 400,057,436.10 × 105,179,811.80
  4. Step 4: Simplify right side
    266,771,312.60x = 42,077,965,838,188,528
  5. Step 5: Solve for x
    x = 42,077,965,838,188,528/266,771,312.60
  6. Step 6: Final answer
    x = 157,730,474.95

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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.