Home / 70,459,472.80-105,654,631.38-28,952,830

Finding the Fourth Proportional to 70,459,472.80, 105,654,631.38 and 28,952,830

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Solution

The fourth proportional to 70,459,472.80, 105,654,631.38 and 28,952,830 is: 43,415,036.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,459,472.80 : 105,654,631.38 = 28,952,830 : x
  2. Step 2: Convert to fraction form
    70,459,472.80/105,654,631.38 = 28,952,830/x
  3. Step 3: Cross multiply
    70,459,472.80x = 105,654,631.38 × 28,952,830
  4. Step 4: Simplify right side
    70,459,472.80x = 3,059,000,581,057,805.50
  5. Step 5: Solve for x
    x = 3,059,000,581,057,805.50/70,459,472.80
  6. Step 6: Final answer
    x = 43,415,036.47

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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.