Home / 153,002,335.68-211,137,821.64-83,386,334.88

Finding the Fourth Proportional to 153,002,335.68, 211,137,821.64 and 83,386,334.88

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Solution

The fourth proportional to 153,002,335.68, 211,137,821.64 and 83,386,334.88 is: 115,070,198.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,002,335.68 : 211,137,821.64 = 83,386,334.88 : x
  2. Step 2: Convert to fraction form
    153,002,335.68/211,137,821.64 = 83,386,334.88/x
  3. Step 3: Cross multiply
    153,002,335.68x = 211,137,821.64 × 83,386,334.88
  4. Step 4: Simplify right side
    153,002,335.68x = 17,606,009,101,106,748
  5. Step 5: Solve for x
    x = 17,606,009,101,106,748/153,002,335.68
  6. Step 6: Final answer
    x = 115,070,198.26

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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.