Home / 113,373,009.10-170,059,513.65-90,698,193.10

Finding the Fourth Proportional to 113,373,009.10, 170,059,513.65 and 90,698,193.10

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Solution

The fourth proportional to 113,373,009.10, 170,059,513.65 and 90,698,193.10 is: 136,047,289.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,373,009.10 : 170,059,513.65 = 90,698,193.10 : x
  2. Step 2: Convert to fraction form
    113,373,009.10/170,059,513.65 = 90,698,193.10/x
  3. Step 3: Cross multiply
    113,373,009.10x = 170,059,513.65 × 90,698,193.10
  4. Step 4: Simplify right side
    113,373,009.10x = 15,424,090,607,519,786
  5. Step 5: Solve for x
    x = 15,424,090,607,519,786/113,373,009.10
  6. Step 6: Final answer
    x = 136,047,289.65

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Similar ratio
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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.