Home / 130,964,580.01-180,731,299.65-71,426,020.06

Finding the Fourth Proportional to 130,964,580.01, 180,731,299.65 and 71,426,020.06

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Solution

The fourth proportional to 130,964,580.01, 180,731,299.65 and 71,426,020.06 is: 98,568,005.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,964,580.01 : 180,731,299.65 = 71,426,020.06 : x
  2. Step 2: Convert to fraction form
    130,964,580.01/180,731,299.65 = 71,426,020.06/x
  3. Step 3: Cross multiply
    130,964,580.01x = 180,731,299.65 × 71,426,020.06
  4. Step 4: Simplify right side
    130,964,580.01x = 12,908,917,434,270,772
  5. Step 5: Solve for x
    x = 12,908,917,434,270,772/130,964,580.01
  6. Step 6: Final answer
    x = 98,568,005.44

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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.