Home / 47,315,101.80-70,972,652.70-21,805,933.80

Finding the Fourth Proportional to 47,315,101.80, 70,972,652.70 and 21,805,933.80

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Solution

The fourth proportional to 47,315,101.80, 70,972,652.70 and 21,805,933.80 is: 32,708,900.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,315,101.80 : 70,972,652.70 = 21,805,933.80 : x
  2. Step 2: Convert to fraction form
    47,315,101.80/70,972,652.70 = 21,805,933.80/x
  3. Step 3: Cross multiply
    47,315,101.80x = 70,972,652.70 × 21,805,933.80
  4. Step 4: Simplify right side
    47,315,101.80x = 1,547,624,966,386,591.50
  5. Step 5: Solve for x
    x = 1,547,624,966,386,591.50/47,315,101.80
  6. Step 6: Final answer
    x = 32,708,900.70

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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.