Home / 160,686,097.86-221,749,244.73-90,137,346.68

Finding the Fourth Proportional to 160,686,097.86, 221,749,244.73 and 90,137,346.68

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Solution

The fourth proportional to 160,686,097.86, 221,749,244.73 and 90,137,346.68 is: 124,390,901.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,686,097.86 : 221,749,244.73 = 90,137,346.68 : x
  2. Step 2: Convert to fraction form
    160,686,097.86/221,749,244.73 = 90,137,346.68/x
  3. Step 3: Cross multiply
    160,686,097.86x = 221,749,244.73 × 90,137,346.68
  4. Step 4: Simplify right side
    160,686,097.86x = 19,987,888,548,256,172
  5. Step 5: Solve for x
    x = 19,987,888,548,256,172/160,686,097.86
  6. Step 6: Final answer
    x = 124,390,901.36

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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.