Home / 153,166,145.33-211,369,024.29-83,551,526.21

Finding the Fourth Proportional to 153,166,145.33, 211,369,024.29 and 83,551,526.21

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Solution

The fourth proportional to 153,166,145.33, 211,369,024.29 and 83,551,526.21 is: 115,300,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,166,145.33 : 211,369,024.29 = 83,551,526.21 : x
  2. Step 2: Convert to fraction form
    153,166,145.33/211,369,024.29 = 83,551,526.21/x
  3. Step 3: Cross multiply
    153,166,145.33x = 211,369,024.29 × 83,551,526.21
  4. Step 4: Simplify right side
    153,166,145.33x = 17,660,204,571,891,216
  5. Step 5: Solve for x
    x = 17,660,204,571,891,216/153,166,145.33
  6. Step 6: Final answer
    x = 115,300,966.37

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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.