Home / 222,912,530.40-334,368,795.60-86,509,340.40

Finding the Fourth Proportional to 222,912,530.40, 334,368,795.60 and 86,509,340.40

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Solution

The fourth proportional to 222,912,530.40, 334,368,795.60 and 86,509,340.40 is: 129,764,010.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,912,530.40 : 334,368,795.60 = 86,509,340.40 : x
  2. Step 2: Convert to fraction form
    222,912,530.40/334,368,795.60 = 86,509,340.40/x
  3. Step 3: Cross multiply
    222,912,530.40x = 334,368,795.60 × 86,509,340.40
  4. Step 4: Simplify right side
    222,912,530.40x = 28,926,023,957,698,428
  5. Step 5: Solve for x
    x = 28,926,023,957,698,428/222,912,530.40
  6. Step 6: Final answer
    x = 129,764,010.60

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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.