Home / 113,373,008.10-170,059,512.15-90,698,192.10

Finding the Fourth Proportional to 113,373,008.10, 170,059,512.15 and 90,698,192.10

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Solution

The fourth proportional to 113,373,008.10, 170,059,512.15 and 90,698,192.10 is: 136,047,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,373,008.10 : 170,059,512.15 = 90,698,192.10 : x
  2. Step 2: Convert to fraction form
    113,373,008.10/170,059,512.15 = 90,698,192.10/x
  3. Step 3: Cross multiply
    113,373,008.10x = 170,059,512.15 × 90,698,192.10
  4. Step 4: Simplify right side
    113,373,008.10x = 15,424,090,301,412,984
  5. Step 5: Solve for x
    x = 15,424,090,301,412,984/113,373,008.10
  6. Step 6: Final answer
    x = 136,047,288.15

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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.