Home / 153,281,864.16-211,497,395.61-88,079,171.04

Finding the Fourth Proportional to 153,281,864.16, 211,497,395.61 and 88,079,171.04

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Solution

The fourth proportional to 153,281,864.16, 211,497,395.61 and 88,079,171.04 is: 121,531,111.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,281,864.16 : 211,497,395.61 = 88,079,171.04 : x
  2. Step 2: Convert to fraction form
    153,281,864.16/211,497,395.61 = 88,079,171.04/x
  3. Step 3: Cross multiply
    153,281,864.16x = 211,497,395.61 × 88,079,171.04
  4. Step 4: Simplify right side
    153,281,864.16x = 18,628,515,282,447,736
  5. Step 5: Solve for x
    x = 18,628,515,282,447,736/153,281,864.16
  6. Step 6: Final answer
    x = 121,531,111.23

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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.