Home / 165,685,642.39-248,528,456.36-157,400,698.65

Finding the Fourth Proportional to 165,685,642.39, 248,528,456.36 and 157,400,698.65

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Solution

The fourth proportional to 165,685,642.39, 248,528,456.36 and 157,400,698.65 is: 236,101,041.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,685,642.39 : 248,528,456.36 = 157,400,698.65 : x
  2. Step 2: Convert to fraction form
    165,685,642.39/248,528,456.36 = 157,400,698.65/x
  3. Step 3: Cross multiply
    165,685,642.39x = 248,528,456.36 × 157,400,698.65
  4. Step 4: Simplify right side
    165,685,642.39x = 39,118,552,665,470,040
  5. Step 5: Solve for x
    x = 39,118,552,665,470,040/165,685,642.39
  6. Step 6: Final answer
    x = 236,101,041.11

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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.