Home / 165,685,641.39-248,528,454.86-157,400,697.65

Finding the Fourth Proportional to 165,685,641.39, 248,528,454.86 and 157,400,697.65

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Solution

The fourth proportional to 165,685,641.39, 248,528,454.86 and 157,400,697.65 is: 236,101,039.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,685,641.39 : 248,528,454.86 = 157,400,697.65 : x
  2. Step 2: Convert to fraction form
    165,685,641.39/248,528,454.86 = 157,400,697.65/x
  3. Step 3: Cross multiply
    165,685,641.39x = 248,528,454.86 × 157,400,697.65
  4. Step 4: Simplify right side
    165,685,641.39x = 39,118,552,178,810,888
  5. Step 5: Solve for x
    x = 39,118,552,178,810,888/165,685,641.39
  6. Step 6: Final answer
    x = 236,101,039.60

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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.