Home / 282,858,807.24-390,342,325.86-157,408,856.82

Finding the Fourth Proportional to 282,858,807.24, 390,342,325.86 and 157,408,856.82

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Solution

The fourth proportional to 282,858,807.24, 390,342,325.86 and 157,408,856.82 is: 217,222,648.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,858,807.24 : 390,342,325.86 = 157,408,856.82 : x
  2. Step 2: Convert to fraction form
    282,858,807.24/390,342,325.86 = 157,408,856.82/x
  3. Step 3: Cross multiply
    282,858,807.24x = 390,342,325.86 × 157,408,856.82
  4. Step 4: Simplify right side
    282,858,807.24x = 61,443,339,282,082,520
  5. Step 5: Solve for x
    x = 61,443,339,282,082,520/282,858,807.24
  6. Step 6: Final answer
    x = 217,222,648.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.