Home / 115,664,738.88-159,607,173.84-66,095,275.76

Finding the Fourth Proportional to 115,664,738.88, 159,607,173.84 and 66,095,275.76

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Solution

The fourth proportional to 115,664,738.88, 159,607,173.84 and 66,095,275.76 is: 91,205,671.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,664,738.88 : 159,607,173.84 = 66,095,275.76 : x
  2. Step 2: Convert to fraction form
    115,664,738.88/159,607,173.84 = 66,095,275.76/x
  3. Step 3: Cross multiply
    115,664,738.88x = 159,607,173.84 × 66,095,275.76
  4. Step 4: Simplify right side
    115,664,738.88x = 10,549,280,168,229,058
  5. Step 5: Solve for x
    x = 10,549,280,168,229,058/115,664,738.88
  6. Step 6: Final answer
    x = 91,205,671.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.