Home / 153,160,182.76-211,362,401.12-83,545,873.24

Finding the Fourth Proportional to 153,160,182.76, 211,362,401.12 and 83,545,873.24

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Solution

The fourth proportional to 153,160,182.76, 211,362,401.12 and 83,545,873.24 is: 115,294,040.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,160,182.76 : 211,362,401.12 = 83,545,873.24 : x
  2. Step 2: Convert to fraction form
    153,160,182.76/211,362,401.12 = 83,545,873.24/x
  3. Step 3: Cross multiply
    153,160,182.76x = 211,362,401.12 × 83,545,873.24
  4. Step 4: Simplify right side
    153,160,182.76x = 17,658,456,371,673,554
  5. Step 5: Solve for x
    x = 17,658,456,371,673,554/153,160,182.76
  6. Step 6: Final answer
    x = 115,294,040.88

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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.