Home / 84,888,688.20-127,333,032.30-30,327,412.20

Finding the Fourth Proportional to 84,888,688.20, 127,333,032.30 and 30,327,412.20

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Solution

The fourth proportional to 84,888,688.20, 127,333,032.30 and 30,327,412.20 is: 45,491,118.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,888,688.20 : 127,333,032.30 = 30,327,412.20 : x
  2. Step 2: Convert to fraction form
    84,888,688.20/127,333,032.30 = 30,327,412.20/x
  3. Step 3: Cross multiply
    84,888,688.20x = 127,333,032.30 × 30,327,412.20
  4. Step 4: Simplify right side
    84,888,688.20x = 3,861,681,357,238,014
  5. Step 5: Solve for x
    x = 3,861,681,357,238,014/84,888,688.20
  6. Step 6: Final answer
    x = 45,491,118.30

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1.5x scale

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.