Home / 153,949,588.56-212,448,740.88-83,383,443.18

Finding the Fourth Proportional to 153,949,588.56, 212,448,740.88 and 83,383,443.18

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Solution

The fourth proportional to 153,949,588.56, 212,448,740.88 and 83,383,443.18 is: 115,068,235.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,949,588.56 : 212,448,740.88 = 83,383,443.18 : x
  2. Step 2: Convert to fraction form
    153,949,588.56/212,448,740.88 = 83,383,443.18/x
  3. Step 3: Cross multiply
    153,949,588.56x = 212,448,740.88 × 83,383,443.18
  4. Step 4: Simplify right side
    153,949,588.56x = 17,714,707,513,830,024
  5. Step 5: Solve for x
    x = 17,714,707,513,830,024/153,949,588.56
  6. Step 6: Final answer
    x = 115,068,235.51

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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.