Home / 132,872,021.60-199,308,032.40-120,117,437.60

Finding the Fourth Proportional to 132,872,021.60, 199,308,032.40 and 120,117,437.60

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Solution

The fourth proportional to 132,872,021.60, 199,308,032.40 and 120,117,437.60 is: 180,176,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,872,021.60 : 199,308,032.40 = 120,117,437.60 : x
  2. Step 2: Convert to fraction form
    132,872,021.60/199,308,032.40 = 120,117,437.60/x
  3. Step 3: Cross multiply
    132,872,021.60x = 199,308,032.40 × 120,117,437.60
  4. Step 4: Simplify right side
    132,872,021.60x = 23,940,370,144,985,776
  5. Step 5: Solve for x
    x = 23,940,370,144,985,776/132,872,021.60
  6. Step 6: Final answer
    x = 180,176,156.40

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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.