Home / 130,493,903.37-180,093,061.31-71,766,917.25

Finding the Fourth Proportional to 130,493,903.37, 180,093,061.31 and 71,766,917.25

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Solution

The fourth proportional to 130,493,903.37, 180,093,061.31 and 71,766,917.25 is: 99,044,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,493,903.37 : 180,093,061.31 = 71,766,917.25 : x
  2. Step 2: Convert to fraction form
    130,493,903.37/180,093,061.31 = 71,766,917.25/x
  3. Step 3: Cross multiply
    130,493,903.37x = 180,093,061.31 × 71,766,917.25
  4. Step 4: Simplify right side
    130,493,903.37x = 12,924,723,827,975,112
  5. Step 5: Solve for x
    x = 12,924,723,827,975,112/130,493,903.37
  6. Step 6: Final answer
    x = 99,044,656.45

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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.