Home / 108,869,808.80-163,548,015.60-90,953,904.80

Finding the Fourth Proportional to 108,869,808.80, 163,548,015.60 and 90,953,904.80

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Solution

The fourth proportional to 108,869,808.80, 163,548,015.60 and 90,953,904.80 is: 136,634,121.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,869,808.80 : 163,548,015.60 = 90,953,904.80 : x
  2. Step 2: Convert to fraction form
    108,869,808.80/163,548,015.60 = 90,953,904.80/x
  3. Step 3: Cross multiply
    108,869,808.80x = 163,548,015.60 × 90,953,904.80
  4. Step 4: Simplify right side
    108,869,808.80x = 14,875,330,641,111,314
  5. Step 5: Solve for x
    x = 14,875,330,641,111,314/108,869,808.80
  6. Step 6: Final answer
    x = 136,634,121.11

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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.