Home / 160,686,106.36-221,749,256.42-90,137,355.18

Finding the Fourth Proportional to 160,686,106.36, 221,749,256.42 and 90,137,355.18

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Solution

The fourth proportional to 160,686,106.36, 221,749,256.42 and 90,137,355.18 is: 124,390,913.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,686,106.36 : 221,749,256.42 = 90,137,355.18 : x
  2. Step 2: Convert to fraction form
    160,686,106.36/221,749,256.42 = 90,137,355.18/x
  3. Step 3: Cross multiply
    160,686,106.36x = 221,749,256.42 × 90,137,355.18
  4. Step 4: Simplify right side
    160,686,106.36x = 19,987,891,486,830,436
  5. Step 5: Solve for x
    x = 19,987,891,486,830,436/160,686,106.36
  6. Step 6: Final answer
    x = 124,390,913.06

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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.