Home / 153,062,103.12-211,095,752.58-129,335,967.06

Finding the Fourth Proportional to 153,062,103.12, 211,095,752.58 and 129,335,967.06

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Solution

The fourth proportional to 153,062,103.12, 211,095,752.58 and 129,335,967.06 is: 178,373,828.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,062,103.12 : 211,095,752.58 = 129,335,967.06 : x
  2. Step 2: Convert to fraction form
    153,062,103.12/211,095,752.58 = 129,335,967.06/x
  3. Step 3: Cross multiply
    153,062,103.12x = 211,095,752.58 × 129,335,967.06
  4. Step 4: Simplify right side
    153,062,103.12x = 27,302,273,302,192,792
  5. Step 5: Solve for x
    x = 27,302,273,302,192,792/153,062,103.12
  6. Step 6: Final answer
    x = 178,373,828.31

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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.