Home / 162,329,869.42-224,009,216.07-87,988,833.83

Finding the Fourth Proportional to 162,329,869.42, 224,009,216.07 and 87,988,833.83

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Solution

The fourth proportional to 162,329,869.42, 224,009,216.07 and 87,988,833.83 is: 121,421,336.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,329,869.42 : 224,009,216.07 = 87,988,833.83 : x
  2. Step 2: Convert to fraction form
    162,329,869.42/224,009,216.07 = 87,988,833.83/x
  3. Step 3: Cross multiply
    162,329,869.42x = 224,009,216.07 × 87,988,833.83
  4. Step 4: Simplify right side
    162,329,869.42x = 19,710,309,689,171,796
  5. Step 5: Solve for x
    x = 19,710,309,689,171,796/162,329,869.42
  6. Step 6: Final answer
    x = 121,421,336.44

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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.