Home / 153,233,530.80-211,466,767.32-83,623,406.64

Finding the Fourth Proportional to 153,233,530.80, 211,466,767.32 and 83,623,406.64

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Solution

The fourth proportional to 153,233,530.80, 211,466,767.32 and 83,623,406.64 is: 115,402,754.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,233,530.80 : 211,466,767.32 = 83,623,406.64 : x
  2. Step 2: Convert to fraction form
    153,233,530.80/211,466,767.32 = 83,623,406.64/x
  3. Step 3: Cross multiply
    153,233,530.80x = 211,466,767.32 × 83,623,406.64
  4. Step 4: Simplify right side
    153,233,530.80x = 17,683,571,474,446,622
  5. Step 5: Solve for x
    x = 17,683,571,474,446,622/153,233,530.80
  6. Step 6: Final answer
    x = 115,402,754.10

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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.