Home / 163,315,207.20-244,972,810.80-81,685,869.60

Finding the Fourth Proportional to 163,315,207.20, 244,972,810.80 and 81,685,869.60

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Solution

The fourth proportional to 163,315,207.20, 244,972,810.80 and 81,685,869.60 is: 122,528,804.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,315,207.20 : 244,972,810.80 = 81,685,869.60 : x
  2. Step 2: Convert to fraction form
    163,315,207.20/244,972,810.80 = 81,685,869.60/x
  3. Step 3: Cross multiply
    163,315,207.20x = 244,972,810.80 × 81,685,869.60
  4. Step 4: Simplify right side
    163,315,207.20x = 20,010,817,078,554,272
  5. Step 5: Solve for x
    x = 20,010,817,078,554,272/163,315,207.20
  6. Step 6: Final answer
    x = 122,528,804.40

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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.