Home / 162,013,490.62-242,992,848.87-45,402,028.36

Finding the Fourth Proportional to 162,013,490.62, 242,992,848.87 and 45,402,028.36

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Solution

The fourth proportional to 162,013,490.62, 242,992,848.87 and 45,402,028.36 is: 68,095,367.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,013,490.62 : 242,992,848.87 = 45,402,028.36 : x
  2. Step 2: Convert to fraction form
    162,013,490.62/242,992,848.87 = 45,402,028.36/x
  3. Step 3: Cross multiply
    162,013,490.62x = 242,992,848.87 × 45,402,028.36
  4. Step 4: Simplify right side
    162,013,490.62x = 11,032,368,215,065,452
  5. Step 5: Solve for x
    x = 11,032,368,215,065,452/162,013,490.62
  6. Step 6: Final answer
    x = 68,095,367.69

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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.