Home / 43,087,956.30-64,631,934.45-20,413,140.30

Finding the Fourth Proportional to 43,087,956.30, 64,631,934.45 and 20,413,140.30

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Solution

The fourth proportional to 43,087,956.30, 64,631,934.45 and 20,413,140.30 is: 30,619,710.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,087,956.30 : 64,631,934.45 = 20,413,140.30 : x
  2. Step 2: Convert to fraction form
    43,087,956.30/64,631,934.45 = 20,413,140.30/x
  3. Step 3: Cross multiply
    43,087,956.30x = 64,631,934.45 × 20,413,140.30
  4. Step 4: Simplify right side
    43,087,956.30x = 1,319,340,745,788,253.50
  5. Step 5: Solve for x
    x = 1,319,340,745,788,253.50/43,087,956.30
  6. Step 6: Final answer
    x = 30,619,710.45

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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.