Home / 108,869,809.80-163,548,017.10-90,953,905.80

Finding the Fourth Proportional to 108,869,809.80, 163,548,017.10 and 90,953,905.80

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Solution

The fourth proportional to 108,869,809.80, 163,548,017.10 and 90,953,905.80 is: 136,634,122.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,869,809.80 : 163,548,017.10 = 90,953,905.80 : x
  2. Step 2: Convert to fraction form
    108,869,809.80/163,548,017.10 = 90,953,905.80/x
  3. Step 3: Cross multiply
    108,869,809.80x = 163,548,017.10 × 90,953,905.80
  4. Step 4: Simplify right side
    108,869,809.80x = 14,875,330,941,090,188
  5. Step 5: Solve for x
    x = 14,875,330,941,090,188/108,869,809.80
  6. Step 6: Final answer
    x = 136,634,122.61

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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.