Home / 131,220,281.40-181,089,489.70-75,465,745.34

Finding the Fourth Proportional to 131,220,281.40, 181,089,489.70 and 75,465,745.34

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Solution

The fourth proportional to 131,220,281.40, 181,089,489.70 and 75,465,745.34 is: 104,145,892.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,220,281.40 : 181,089,489.70 = 75,465,745.34 : x
  2. Step 2: Convert to fraction form
    131,220,281.40/181,089,489.70 = 75,465,745.34/x
  3. Step 3: Cross multiply
    131,220,281.40x = 181,089,489.70 × 75,465,745.34
  4. Step 4: Simplify right side
    131,220,281.40x = 13,666,053,313,450,752
  5. Step 5: Solve for x
    x = 13,666,053,313,450,752/131,220,281.40
  6. Step 6: Final answer
    x = 104,145,892.45

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1.5x scale

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.