Home / 132,857,704.40-199,249,231.80-42,009,141.20

Finding the Fourth Proportional to 132,857,704.40, 199,249,231.80 and 42,009,141.20

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Solution

The fourth proportional to 132,857,704.40, 199,249,231.80 and 42,009,141.20 is: 63,001,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,857,704.40 : 199,249,231.80 = 42,009,141.20 : x
  2. Step 2: Convert to fraction form
    132,857,704.40/199,249,231.80 = 42,009,141.20/x
  3. Step 3: Cross multiply
    132,857,704.40x = 199,249,231.80 × 42,009,141.20
  4. Step 4: Simplify right side
    132,857,704.40x = 8,370,289,112,677,731
  5. Step 5: Solve for x
    x = 8,370,289,112,677,731/132,857,704.40
  6. Step 6: Final answer
    x = 63,001,909.83

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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.