Home / 117,090,509.16-175,518,846.72-78,261,665.52

Finding the Fourth Proportional to 117,090,509.16, 175,518,846.72 and 78,261,665.52

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Solution

The fourth proportional to 117,090,509.16, 175,518,846.72 and 78,261,665.52 is: 117,314,352.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,090,509.16 : 175,518,846.72 = 78,261,665.52 : x
  2. Step 2: Convert to fraction form
    117,090,509.16/175,518,846.72 = 78,261,665.52/x
  3. Step 3: Cross multiply
    117,090,509.16x = 175,518,846.72 × 78,261,665.52
  4. Step 4: Simplify right side
    117,090,509.16x = 13,736,397,274,456,788
  5. Step 5: Solve for x
    x = 13,736,397,274,456,788/117,090,509.16
  6. Step 6: Final answer
    x = 117,314,352.57

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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.