Home / 112,792,054.24-169,153,639.08-78,000,807.88

Finding the Fourth Proportional to 112,792,054.24, 169,153,639.08 and 78,000,807.88

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Solution

The fourth proportional to 112,792,054.24, 169,153,639.08 and 78,000,807.88 is: 116,977,393.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,792,054.24 : 169,153,639.08 = 78,000,807.88 : x
  2. Step 2: Convert to fraction form
    112,792,054.24/169,153,639.08 = 78,000,807.88/x
  3. Step 3: Cross multiply
    112,792,054.24x = 169,153,639.08 × 78,000,807.88
  4. Step 4: Simplify right side
    112,792,054.24x = 13,194,120,504,081,940
  5. Step 5: Solve for x
    x = 13,194,120,504,081,940/112,792,054.24
  6. Step 6: Final answer
    x = 116,977,393.43

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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.