Home / 160,541,296.90-221,565,368.67-89,995,960.69

Finding the Fourth Proportional to 160,541,296.90, 221,565,368.67 and 89,995,960.69

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Solution

The fourth proportional to 160,541,296.90, 221,565,368.67 and 89,995,960.69 is: 124,204,728.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,541,296.90 : 221,565,368.67 = 89,995,960.69 : x
  2. Step 2: Convert to fraction form
    160,541,296.90/221,565,368.67 = 89,995,960.69/x
  3. Step 3: Cross multiply
    160,541,296.90x = 221,565,368.67 × 89,995,960.69
  4. Step 4: Simplify right side
    160,541,296.90x = 19,939,988,209,090,676
  5. Step 5: Solve for x
    x = 19,939,988,209,090,676/160,541,296.90
  6. Step 6: Final answer
    x = 124,204,728.59

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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.