Home / 68,335,678.91-102,518,575.93-19,815,558.47

Finding the Fourth Proportional to 68,335,678.91, 102,518,575.93 and 19,815,558.47

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Solution

The fourth proportional to 68,335,678.91, 102,518,575.93 and 19,815,558.47 is: 29,727,704.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,335,678.91 : 102,518,575.93 = 19,815,558.47 : x
  2. Step 2: Convert to fraction form
    68,335,678.91/102,518,575.93 = 19,815,558.47/x
  3. Step 3: Cross multiply
    68,335,678.91x = 102,518,575.93 × 19,815,558.47
  4. Step 4: Simplify right side
    68,335,678.91x = 2,031,462,836,075,337.75
  5. Step 5: Solve for x
    x = 2,031,462,836,075,337.75/68,335,678.91
  6. Step 6: Final answer
    x = 29,727,704.01

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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.