Home / 45,554,855.70-68,332,283.55-42,047,345.10

Finding the Fourth Proportional to 45,554,855.70, 68,332,283.55 and 42,047,345.10

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Solution

The fourth proportional to 45,554,855.70, 68,332,283.55 and 42,047,345.10 is: 63,071,017.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,554,855.70 : 68,332,283.55 = 42,047,345.10 : x
  2. Step 2: Convert to fraction form
    45,554,855.70/68,332,283.55 = 42,047,345.10/x
  3. Step 3: Cross multiply
    45,554,855.70x = 68,332,283.55 × 42,047,345.10
  4. Step 4: Simplify right side
    45,554,855.70x = 2,873,191,107,897,903
  5. Step 5: Solve for x
    x = 2,873,191,107,897,903/45,554,855.70
  6. Step 6: Final answer
    x = 63,071,017.65

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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.