Home / 115,287,407.60-159,096,436.08-63,076,653.68

Finding the Fourth Proportional to 115,287,407.60, 159,096,436.08 and 63,076,653.68

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Solution

The fourth proportional to 115,287,407.60, 159,096,436.08 and 63,076,653.68 is: 87,045,680.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,287,407.60 : 159,096,436.08 = 63,076,653.68 : x
  2. Step 2: Convert to fraction form
    115,287,407.60/159,096,436.08 = 63,076,653.68/x
  3. Step 3: Cross multiply
    115,287,407.60x = 159,096,436.08 × 63,076,653.68
  4. Step 4: Simplify right side
    115,287,407.60x = 10,035,270,800,340,418
  5. Step 5: Solve for x
    x = 10,035,270,800,340,418/115,287,407.60
  6. Step 6: Final answer
    x = 87,045,680.09

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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.