Home / 160,308,165.24-221,225,696.78-86,969,307.24

Finding the Fourth Proportional to 160,308,165.24, 221,225,696.78 and 86,969,307.24

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Solution

The fourth proportional to 160,308,165.24, 221,225,696.78 and 86,969,307.24 is: 120,017,876.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,308,165.24 : 221,225,696.78 = 86,969,307.24 : x
  2. Step 2: Convert to fraction form
    160,308,165.24/221,225,696.78 = 86,969,307.24/x
  3. Step 3: Cross multiply
    160,308,165.24x = 221,225,696.78 × 86,969,307.24
  4. Step 4: Simplify right side
    160,308,165.24x = 19,239,845,592,642,896
  5. Step 5: Solve for x
    x = 19,239,845,592,642,896/160,308,165.24
  6. Step 6: Final answer
    x = 120,017,876.59

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1.5x scale

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.