Home / 286,532,050.21-395,410,446.88-159,371,871.01

Finding the Fourth Proportional to 286,532,050.21, 395,410,446.88 and 159,371,871.01

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Solution

The fourth proportional to 286,532,050.21, 395,410,446.88 and 159,371,871.01 is: 219,931,078.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,532,050.21 : 395,410,446.88 = 159,371,871.01 : x
  2. Step 2: Convert to fraction form
    286,532,050.21/395,410,446.88 = 159,371,871.01/x
  3. Step 3: Cross multiply
    286,532,050.21x = 395,410,446.88 × 159,371,871.01
  4. Step 4: Simplify right side
    286,532,050.21x = 63,017,302,736,165,816
  5. Step 5: Solve for x
    x = 63,017,302,736,165,816/286,532,050.21
  6. Step 6: Final answer
    x = 219,931,078.18

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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.