Home / 108,877,821.60-163,127,775.60-91,871,709.60

Finding the Fourth Proportional to 108,877,821.60, 163,127,775.60 and 91,871,709.60

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Solution

The fourth proportional to 108,877,821.60, 163,127,775.60 and 91,871,709.60 is: 137,648,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,877,821.60 : 163,127,775.60 = 91,871,709.60 : x
  2. Step 2: Convert to fraction form
    108,877,821.60/163,127,775.60 = 91,871,709.60/x
  3. Step 3: Cross multiply
    108,877,821.60x = 163,127,775.60 × 91,871,709.60
  4. Step 4: Simplify right side
    108,877,821.60x = 14,986,827,627,617,164
  5. Step 5: Solve for x
    x = 14,986,827,627,617,164/108,877,821.60
  6. Step 6: Final answer
    x = 137,648,121.60

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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.