Home / 130,507,769.23-180,097,129.96-71,770,434.35

Finding the Fourth Proportional to 130,507,769.23, 180,097,129.96 and 71,770,434.35

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Solution

The fourth proportional to 130,507,769.23, 180,097,129.96 and 71,770,434.35 is: 99,041,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,507,769.23 : 180,097,129.96 = 71,770,434.35 : x
  2. Step 2: Convert to fraction form
    130,507,769.23/180,097,129.96 = 71,770,434.35/x
  3. Step 3: Cross multiply
    130,507,769.23x = 180,097,129.96 × 71,770,434.35
  4. Step 4: Simplify right side
    130,507,769.23x = 12,925,649,241,337,686
  5. Step 5: Solve for x
    x = 12,925,649,241,337,686/130,507,769.23
  6. Step 6: Final answer
    x = 99,041,224.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.