Home / 132,872,021.10-199,308,031.65-120,117,437.10

Finding the Fourth Proportional to 132,872,021.10, 199,308,031.65 and 120,117,437.10

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Solution

The fourth proportional to 132,872,021.10, 199,308,031.65 and 120,117,437.10 is: 180,176,155.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,872,021.10 : 199,308,031.65 = 120,117,437.10 : x
  2. Step 2: Convert to fraction form
    132,872,021.10/199,308,031.65 = 120,117,437.10/x
  3. Step 3: Cross multiply
    132,872,021.10x = 199,308,031.65 × 120,117,437.10
  4. Step 4: Simplify right side
    132,872,021.10x = 23,940,369,955,243,684
  5. Step 5: Solve for x
    x = 23,940,369,955,243,684/132,872,021.10
  6. Step 6: Final answer
    x = 180,176,155.65

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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.