Home / 85,248,000.90-127,872,001.35-51,207,783.30

Finding the Fourth Proportional to 85,248,000.90, 127,872,001.35 and 51,207,783.30

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Solution

The fourth proportional to 85,248,000.90, 127,872,001.35 and 51,207,783.30 is: 76,811,674.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,248,000.90 : 127,872,001.35 = 51,207,783.30 : x
  2. Step 2: Convert to fraction form
    85,248,000.90/127,872,001.35 = 51,207,783.30/x
  3. Step 3: Cross multiply
    85,248,000.90x = 127,872,001.35 × 51,207,783.30
  4. Step 4: Simplify right side
    85,248,000.90x = 6,548,041,735,268,107
  5. Step 5: Solve for x
    x = 6,548,041,735,268,107/85,248,000.90
  6. Step 6: Final answer
    x = 76,811,674.95

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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.