Home / 168,240,386.07-232,172,054.11-92,886,859.72

Finding the Fourth Proportional to 168,240,386.07, 232,172,054.11 and 92,886,859.72

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Solution

The fourth proportional to 168,240,386.07, 232,172,054.11 and 92,886,859.72 is: 128,184,043.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,240,386.07 : 232,172,054.11 = 92,886,859.72 : x
  2. Step 2: Convert to fraction form
    168,240,386.07/232,172,054.11 = 92,886,859.72/x
  3. Step 3: Cross multiply
    168,240,386.07x = 232,172,054.11 × 92,886,859.72
  4. Step 4: Simplify right side
    168,240,386.07x = 21,565,733,020,904,120
  5. Step 5: Solve for x
    x = 21,565,733,020,904,120/168,240,386.07
  6. Step 6: Final answer
    x = 128,184,043.82

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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.