Home / 52,718,532.80-78,993,818.40-39,113,643.20

Finding the Fourth Proportional to 52,718,532.80, 78,993,818.40 and 39,113,643.20

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Solution

The fourth proportional to 52,718,532.80, 78,993,818.40 and 39,113,643.20 is: 58,608,156.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,718,532.80 : 78,993,818.40 = 39,113,643.20 : x
  2. Step 2: Convert to fraction form
    52,718,532.80/78,993,818.40 = 39,113,643.20/x
  3. Step 3: Cross multiply
    52,718,532.80x = 78,993,818.40 × 39,113,643.20
  4. Step 4: Simplify right side
    52,718,532.80x = 3,089,736,027,903,195.50
  5. Step 5: Solve for x
    x = 3,089,736,027,903,195.50/52,718,532.80
  6. Step 6: Final answer
    x = 58,608,156.63

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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.