Home / 54,242,595.81-74,833,685.96-30,715,731.81

Finding the Fourth Proportional to 54,242,595.81, 74,833,685.96 and 30,715,731.81

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Solution

The fourth proportional to 54,242,595.81, 74,833,685.96 and 30,715,731.81 is: 42,375,763.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,242,595.81 : 74,833,685.96 = 30,715,731.81 : x
  2. Step 2: Convert to fraction form
    54,242,595.81/74,833,685.96 = 30,715,731.81/x
  3. Step 3: Cross multiply
    54,242,595.81x = 74,833,685.96 × 30,715,731.81
  4. Step 4: Simplify right side
    54,242,595.81x = 2,298,571,428,147,543.50
  5. Step 5: Solve for x
    x = 2,298,571,428,147,543.50/54,242,595.81
  6. Step 6: Final answer
    x = 42,375,763.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.