Home / 153,103,205.28-211,287,525.12-83,492,394.96

Finding the Fourth Proportional to 153,103,205.28, 211,287,525.12 and 83,492,394.96

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Solution

The fourth proportional to 153,103,205.28, 211,287,525.12 and 83,492,394.96 is: 115,222,287.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,103,205.28 : 211,287,525.12 = 83,492,394.96 : x
  2. Step 2: Convert to fraction form
    153,103,205.28/211,287,525.12 = 83,492,394.96/x
  3. Step 3: Cross multiply
    153,103,205.28x = 211,287,525.12 × 83,492,394.96
  4. Step 4: Simplify right side
    153,103,205.28x = 17,640,901,497,439,960
  5. Step 5: Solve for x
    x = 17,640,901,497,439,960/153,103,205.28
  6. Step 6: Final answer
    x = 115,222,287.25

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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.