Home / 119,576,441.75-165,018,987.01-70,012,178.15

Finding the Fourth Proportional to 119,576,441.75, 165,018,987.01 and 70,012,178.15

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Solution

The fourth proportional to 119,576,441.75, 165,018,987.01 and 70,012,178.15 is: 96,618,853.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,576,441.75 : 165,018,987.01 = 70,012,178.15 : x
  2. Step 2: Convert to fraction form
    119,576,441.75/165,018,987.01 = 70,012,178.15/x
  3. Step 3: Cross multiply
    119,576,441.75x = 165,018,987.01 × 70,012,178.15
  4. Step 4: Simplify right side
    119,576,441.75x = 11,553,338,717,176,718
  5. Step 5: Solve for x
    x = 11,553,338,717,176,718/119,576,441.75
  6. Step 6: Final answer
    x = 96,618,853.58

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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.