Home / 117,871,257.40-176,806,886.10-89,173,443.40

Finding the Fourth Proportional to 117,871,257.40, 176,806,886.10 and 89,173,443.40

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Solution

The fourth proportional to 117,871,257.40, 176,806,886.10 and 89,173,443.40 is: 133,760,165.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,871,257.40 : 176,806,886.10 = 89,173,443.40 : x
  2. Step 2: Convert to fraction form
    117,871,257.40/176,806,886.10 = 89,173,443.40/x
  3. Step 3: Cross multiply
    117,871,257.40x = 176,806,886.10 × 89,173,443.40
  4. Step 4: Simplify right side
    117,871,257.40x = 15,766,478,850,368,598
  5. Step 5: Solve for x
    x = 15,766,478,850,368,598/117,871,257.40
  6. Step 6: Final answer
    x = 133,760,165.10

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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.