Home / 286,648,356.16-430,220,997.60-150,429,977.92

Finding the Fourth Proportional to 286,648,356.16, 430,220,997.60 and 150,429,977.92

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Solution

The fourth proportional to 286,648,356.16, 430,220,997.60 and 150,429,977.92 is: 225,775,357.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,648,356.16 : 430,220,997.60 = 150,429,977.92 : x
  2. Step 2: Convert to fraction form
    286,648,356.16/430,220,997.60 = 150,429,977.92/x
  3. Step 3: Cross multiply
    286,648,356.16x = 430,220,997.60 × 150,429,977.92
  4. Step 4: Simplify right side
    286,648,356.16x = 64,718,135,169,688,368
  5. Step 5: Solve for x
    x = 64,718,135,169,688,368/286,648,356.16
  6. Step 6: Final answer
    x = 225,775,357.78

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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.