Home / 70,886,909.20-106,330,363.80-40,569,840.40

Finding the Fourth Proportional to 70,886,909.20, 106,330,363.80 and 40,569,840.40

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Solution

The fourth proportional to 70,886,909.20, 106,330,363.80 and 40,569,840.40 is: 60,854,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,886,909.20 : 106,330,363.80 = 40,569,840.40 : x
  2. Step 2: Convert to fraction form
    70,886,909.20/106,330,363.80 = 40,569,840.40/x
  3. Step 3: Cross multiply
    70,886,909.20x = 106,330,363.80 × 40,569,840.40
  4. Step 4: Simplify right side
    70,886,909.20x = 4,313,805,889,039,937
  5. Step 5: Solve for x
    x = 4,313,805,889,039,937/70,886,909.20
  6. Step 6: Final answer
    x = 60,854,760.60

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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.