Home / 151,610,859.40-209,222,986.14-81,996,240.46

Finding the Fourth Proportional to 151,610,859.40, 209,222,986.14 and 81,996,240.46

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Solution

The fourth proportional to 151,610,859.40, 209,222,986.14 and 81,996,240.46 is: 113,154,811.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,610,859.40 : 209,222,986.14 = 81,996,240.46 : x
  2. Step 2: Convert to fraction form
    151,610,859.40/209,222,986.14 = 81,996,240.46/x
  3. Step 3: Cross multiply
    151,610,859.40x = 209,222,986.14 × 81,996,240.46
  4. Step 4: Simplify right side
    151,610,859.40x = 17,155,498,281,294,684
  5. Step 5: Solve for x
    x = 17,155,498,281,294,684/151,610,859.40
  6. Step 6: Final answer
    x = 113,154,811.93

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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.