Home / 267,415,059.12-401,158,281.60-105,819,203.76

Finding the Fourth Proportional to 267,415,059.12, 401,158,281.60 and 105,819,203.76

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Solution

The fourth proportional to 267,415,059.12, 401,158,281.60 and 105,819,203.76 is: 158,742,929.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,415,059.12 : 401,158,281.60 = 105,819,203.76 : x
  2. Step 2: Convert to fraction form
    267,415,059.12/401,158,281.60 = 105,819,203.76/x
  3. Step 3: Cross multiply
    267,415,059.12x = 401,158,281.60 × 105,819,203.76
  4. Step 4: Simplify right side
    267,415,059.12x = 42,450,249,940,641,864
  5. Step 5: Solve for x
    x = 42,450,249,940,641,864/267,415,059.12
  6. Step 6: Final answer
    x = 158,742,929.74

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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.