Home / 108,908,000.70-163,362,001.05-84,249,138.30

Finding the Fourth Proportional to 108,908,000.70, 163,362,001.05 and 84,249,138.30

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Solution

The fourth proportional to 108,908,000.70, 163,362,001.05 and 84,249,138.30 is: 126,373,707.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,908,000.70 : 163,362,001.05 = 84,249,138.30 : x
  2. Step 2: Convert to fraction form
    108,908,000.70/163,362,001.05 = 84,249,138.30/x
  3. Step 3: Cross multiply
    108,908,000.70x = 163,362,001.05 × 84,249,138.30
  4. Step 4: Simplify right side
    108,908,000.70x = 13,763,107,819,426,196
  5. Step 5: Solve for x
    x = 13,763,107,819,426,196/108,908,000.70
  6. Step 6: Final answer
    x = 126,373,707.45

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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.