Home / 132,871,973.60-199,307,960.40-120,117,389.60

Finding the Fourth Proportional to 132,871,973.60, 199,307,960.40 and 120,117,389.60

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Solution

The fourth proportional to 132,871,973.60, 199,307,960.40 and 120,117,389.60 is: 180,176,084.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,871,973.60 : 199,307,960.40 = 120,117,389.60 : x
  2. Step 2: Convert to fraction form
    132,871,973.60/199,307,960.40 = 120,117,389.60/x
  3. Step 3: Cross multiply
    132,871,973.60x = 199,307,960.40 × 120,117,389.60
  4. Step 4: Simplify right side
    132,871,973.60x = 23,940,351,929,748,172
  5. Step 5: Solve for x
    x = 23,940,351,929,748,172/132,871,973.60
  6. Step 6: Final answer
    x = 180,176,084.40

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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.