Home / 60,432,642.30-90,456,070.05-47,678,058.30

Finding the Fourth Proportional to 60,432,642.30, 90,456,070.05 and 47,678,058.30

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Solution

The fourth proportional to 60,432,642.30, 90,456,070.05 and 47,678,058.30 is: 71,364,905.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,432,642.30 : 90,456,070.05 = 47,678,058.30 : x
  2. Step 2: Convert to fraction form
    60,432,642.30/90,456,070.05 = 47,678,058.30/x
  3. Step 3: Cross multiply
    60,432,642.30x = 90,456,070.05 × 47,678,058.30
  4. Step 4: Simplify right side
    60,432,642.30x = 4,312,769,781,432,783.50
  5. Step 5: Solve for x
    x = 4,312,769,781,432,783.50/60,432,642.30
  6. Step 6: Final answer
    x = 71,364,905.08

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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.