Home / 309,247,658.47-464,207,607.74-125,141,886.91

Finding the Fourth Proportional to 309,247,658.47, 464,207,607.74 and 125,141,886.91

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Solution

The fourth proportional to 309,247,658.47, 464,207,607.74 and 125,141,886.91 is: 187,848,846.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    309,247,658.47 : 464,207,607.74 = 125,141,886.91 : x
  2. Step 2: Convert to fraction form
    309,247,658.47/464,207,607.74 = 125,141,886.91/x
  3. Step 3: Cross multiply
    309,247,658.47x = 464,207,607.74 × 125,141,886.91
  4. Step 4: Simplify right side
    309,247,658.47x = 58,091,815,950,749,280
  5. Step 5: Solve for x
    x = 58,091,815,950,749,280/309,247,658.47
  6. Step 6: Final answer
    x = 187,848,846.58

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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.