Home / 82,912,803.40-124,369,205.10-63,780,927.40

Finding the Fourth Proportional to 82,912,803.40, 124,369,205.10 and 63,780,927.40

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Solution

The fourth proportional to 82,912,803.40, 124,369,205.10 and 63,780,927.40 is: 95,671,391.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,912,803.40 : 124,369,205.10 = 63,780,927.40 : x
  2. Step 2: Convert to fraction form
    82,912,803.40/124,369,205.10 = 63,780,927.40/x
  3. Step 3: Cross multiply
    82,912,803.40x = 124,369,205.10 × 63,780,927.40
  4. Step 4: Simplify right side
    82,912,803.40x = 7,932,383,241,278,809
  5. Step 5: Solve for x
    x = 7,932,383,241,278,809/82,912,803.40
  6. Step 6: Final answer
    x = 95,671,391.10

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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.