Home / 52,488,718.20-78,733,077.30-47,197,927.80

Finding the Fourth Proportional to 52,488,718.20, 78,733,077.30 and 47,197,927.80

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Solution

The fourth proportional to 52,488,718.20, 78,733,077.30 and 47,197,927.80 is: 70,796,891.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,488,718.20 : 78,733,077.30 = 47,197,927.80 : x
  2. Step 2: Convert to fraction form
    52,488,718.20/78,733,077.30 = 47,197,927.80/x
  3. Step 3: Cross multiply
    52,488,718.20x = 78,733,077.30 × 47,197,927.80
  4. Step 4: Simplify right side
    52,488,718.20x = 3,716,038,097,877,218.50
  5. Step 5: Solve for x
    x = 3,716,038,097,877,218.50/52,488,718.20
  6. Step 6: Final answer
    x = 70,796,891.70

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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.