Home / 124,524,266.40-186,534,457.20-86,229,021.60

Finding the Fourth Proportional to 124,524,266.40, 186,534,457.20 and 86,229,021.60

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Solution

The fourth proportional to 124,524,266.40, 186,534,457.20 and 86,229,021.60 is: 129,169,070.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,524,266.40 : 186,534,457.20 = 86,229,021.60 : x
  2. Step 2: Convert to fraction form
    124,524,266.40/186,534,457.20 = 86,229,021.60/x
  3. Step 3: Cross multiply
    124,524,266.40x = 186,534,457.20 × 86,229,021.60
  4. Step 4: Simplify right side
    124,524,266.40x = 16,084,683,739,043,074
  5. Step 5: Solve for x
    x = 16,084,683,739,043,074/124,524,266.40
  6. Step 6: Final answer
    x = 129,169,070.45

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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.