Home / 109,746,018.40-164,619,027.60-91,889,600.80

Finding the Fourth Proportional to 109,746,018.40, 164,619,027.60 and 91,889,600.80

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Solution

The fourth proportional to 109,746,018.40, 164,619,027.60 and 91,889,600.80 is: 137,834,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,746,018.40 : 164,619,027.60 = 91,889,600.80 : x
  2. Step 2: Convert to fraction form
    109,746,018.40/164,619,027.60 = 91,889,600.80/x
  3. Step 3: Cross multiply
    109,746,018.40x = 164,619,027.60 × 91,889,600.80
  4. Step 4: Simplify right side
    109,746,018.40x = 15,126,776,730,248,182
  5. Step 5: Solve for x
    x = 15,126,776,730,248,182/109,746,018.40
  6. Step 6: Final answer
    x = 137,834,401.20

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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.