Home / 160,308,152.19-221,225,678.82-86,969,294.19

Finding the Fourth Proportional to 160,308,152.19, 221,225,678.82 and 86,969,294.19

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Solution

The fourth proportional to 160,308,152.19, 221,225,678.82 and 86,969,294.19 is: 120,017,858.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,308,152.19 : 221,225,678.82 = 86,969,294.19 : x
  2. Step 2: Convert to fraction form
    160,308,152.19/221,225,678.82 = 86,969,294.19/x
  3. Step 3: Cross multiply
    160,308,152.19x = 221,225,678.82 × 86,969,294.19
  4. Step 4: Simplify right side
    160,308,152.19x = 19,239,841,143,679,032
  5. Step 5: Solve for x
    x = 19,239,841,143,679,032/160,308,152.19
  6. Step 6: Final answer
    x = 120,017,858.61

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Double scale
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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.