Home / 162,309,078.81-242,888,908.10-100,927,142.73

Finding the Fourth Proportional to 162,309,078.81, 242,888,908.10 and 100,927,142.73

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Solution

The fourth proportional to 162,309,078.81, 242,888,908.10 and 100,927,142.73 is: 151,033,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,309,078.81 : 242,888,908.10 = 100,927,142.73 : x
  2. Step 2: Convert to fraction form
    162,309,078.81/242,888,908.10 = 100,927,142.73/x
  3. Step 3: Cross multiply
    162,309,078.81x = 242,888,908.10 × 100,927,142.73
  4. Step 4: Simplify right side
    162,309,078.81x = 24,514,083,494,837,920
  5. Step 5: Solve for x
    x = 24,514,083,494,837,920/162,309,078.81
  6. Step 6: Final answer
    x = 151,033,347.45

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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.