Home / 70,478,748.20-105,718,122.30-63,088,437.80

Finding the Fourth Proportional to 70,478,748.20, 105,718,122.30 and 63,088,437.80

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Solution

The fourth proportional to 70,478,748.20, 105,718,122.30 and 63,088,437.80 is: 94,632,656.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,478,748.20 : 105,718,122.30 = 63,088,437.80 : x
  2. Step 2: Convert to fraction form
    70,478,748.20/105,718,122.30 = 63,088,437.80/x
  3. Step 3: Cross multiply
    70,478,748.20x = 105,718,122.30 × 63,088,437.80
  4. Step 4: Simplify right side
    70,478,748.20x = 6,669,591,183,056,342
  5. Step 5: Solve for x
    x = 6,669,591,183,056,342/70,478,748.20
  6. Step 6: Final answer
    x = 94,632,656.70

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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.