Home / 153,033,966.40-211,185,154.65-83,417,819.80

Finding the Fourth Proportional to 153,033,966.40, 211,185,154.65 and 83,417,819.80

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Solution

The fourth proportional to 153,033,966.40, 211,185,154.65 and 83,417,819.80 is: 115,115,654.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,033,966.40 : 211,185,154.65 = 83,417,819.80 : x
  2. Step 2: Convert to fraction form
    153,033,966.40/211,185,154.65 = 83,417,819.80/x
  3. Step 3: Cross multiply
    153,033,966.40x = 211,185,154.65 × 83,417,819.80
  4. Step 4: Simplify right side
    153,033,966.40x = 17,616,605,175,028,832
  5. Step 5: Solve for x
    x = 17,616,605,175,028,832/153,033,966.40
  6. Step 6: Final answer
    x = 115,115,654.32

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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.