Home / 85,290,510.58-127,951,710.47-34,176,515.20

Finding the Fourth Proportional to 85,290,510.58, 127,951,710.47 and 34,176,515.20

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Solution

The fourth proportional to 85,290,510.58, 127,951,710.47 and 34,176,515.20 is: 51,271,161.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,290,510.58 : 127,951,710.47 = 34,176,515.20 : x
  2. Step 2: Convert to fraction form
    85,290,510.58/127,951,710.47 = 34,176,515.20/x
  3. Step 3: Cross multiply
    85,290,510.58x = 127,951,710.47 × 34,176,515.20
  4. Step 4: Simplify right side
    85,290,510.58x = 4,372,943,577,381,354
  5. Step 5: Solve for x
    x = 4,372,943,577,381,354/85,290,510.58
  6. Step 6: Final answer
    x = 51,271,161.91

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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.