Home / 78,699,664.80-118,049,497.20-62,260,423.20

Finding the Fourth Proportional to 78,699,664.80, 118,049,497.20 and 62,260,423.20

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Solution

The fourth proportional to 78,699,664.80, 118,049,497.20 and 62,260,423.20 is: 93,390,634.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,699,664.80 : 118,049,497.20 = 62,260,423.20 : x
  2. Step 2: Convert to fraction form
    78,699,664.80/118,049,497.20 = 62,260,423.20/x
  3. Step 3: Cross multiply
    78,699,664.80x = 118,049,497.20 × 62,260,423.20
  4. Step 4: Simplify right side
    78,699,664.80x = 7,349,811,654,219,216
  5. Step 5: Solve for x
    x = 7,349,811,654,219,216/78,699,664.80
  6. Step 6: Final answer
    x = 93,390,634.80

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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.