Home / 163,530,442.65-245,169,937.19-84,662,403.29

Finding the Fourth Proportional to 163,530,442.65, 245,169,937.19 and 84,662,403.29

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Solution

The fourth proportional to 163,530,442.65, 245,169,937.19 and 84,662,403.29 is: 126,928,514.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,530,442.65 : 245,169,937.19 = 84,662,403.29 : x
  2. Step 2: Convert to fraction form
    163,530,442.65/245,169,937.19 = 84,662,403.29/x
  3. Step 3: Cross multiply
    163,530,442.65x = 245,169,937.19 × 84,662,403.29
  4. Step 4: Simplify right side
    163,530,442.65x = 20,756,676,095,314,588
  5. Step 5: Solve for x
    x = 20,756,676,095,314,588/163,530,442.65
  6. Step 6: Final answer
    x = 126,928,514.10

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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.