Home / 145,395,059.40-218,092,589.10-139,655,496.60

Finding the Fourth Proportional to 145,395,059.40, 218,092,589.10 and 139,655,496.60

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Solution

The fourth proportional to 145,395,059.40, 218,092,589.10 and 139,655,496.60 is: 209,483,244.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,395,059.40 : 218,092,589.10 = 139,655,496.60 : x
  2. Step 2: Convert to fraction form
    145,395,059.40/218,092,589.10 = 139,655,496.60/x
  3. Step 3: Cross multiply
    145,395,059.40x = 218,092,589.10 × 139,655,496.60
  4. Step 4: Simplify right side
    145,395,059.40x = 30,457,828,835,540,244
  5. Step 5: Solve for x
    x = 30,457,828,835,540,244/145,395,059.40
  6. Step 6: Final answer
    x = 209,483,244.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.