Home / 130,507,826.16-180,105,425.46-71,775,033.69

Finding the Fourth Proportional to 130,507,826.16, 180,105,425.46 and 71,775,033.69

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Solution

The fourth proportional to 130,507,826.16, 180,105,425.46 and 71,775,033.69 is: 99,052,090.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,507,826.16 : 180,105,425.46 = 71,775,033.69 : x
  2. Step 2: Convert to fraction form
    130,507,826.16/180,105,425.46 = 71,775,033.69/x
  3. Step 3: Cross multiply
    130,507,826.16x = 180,105,425.46 × 71,775,033.69
  4. Step 4: Simplify right side
    130,507,826.16x = 12,927,072,980,143,284
  5. Step 5: Solve for x
    x = 12,927,072,980,143,284/130,507,826.16
  6. Step 6: Final answer
    x = 99,052,090.29

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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.