Home / 153,232,099.82-211,458,555.78-83,618,665.10

Finding the Fourth Proportional to 153,232,099.82, 211,458,555.78 and 83,618,665.10

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Solution

The fourth proportional to 153,232,099.82, 211,458,555.78 and 83,618,665.10 is: 115,392,807.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,232,099.82 : 211,458,555.78 = 83,618,665.10 : x
  2. Step 2: Convert to fraction form
    153,232,099.82/211,458,555.78 = 83,618,665.10/x
  3. Step 3: Cross multiply
    153,232,099.82x = 211,458,555.78 × 83,618,665.10
  4. Step 4: Simplify right side
    153,232,099.82x = 17,681,882,158,297,488
  5. Step 5: Solve for x
    x = 17,681,882,158,297,488/153,232,099.82
  6. Step 6: Final answer
    x = 115,392,807.25

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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.