Home / 58,266,005.10-87,399,007.65-19,928,769.90

Finding the Fourth Proportional to 58,266,005.10, 87,399,007.65 and 19,928,769.90

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Solution

The fourth proportional to 58,266,005.10, 87,399,007.65 and 19,928,769.90 is: 29,893,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,266,005.10 : 87,399,007.65 = 19,928,769.90 : x
  2. Step 2: Convert to fraction form
    58,266,005.10/87,399,007.65 = 19,928,769.90/x
  3. Step 3: Cross multiply
    58,266,005.10x = 87,399,007.65 × 19,928,769.90
  4. Step 4: Simplify right side
    58,266,005.10x = 1,741,754,712,945,189.75
  5. Step 5: Solve for x
    x = 1,741,754,712,945,189.75/58,266,005.10
  6. Step 6: Final answer
    x = 29,893,154.85

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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.