Home / 153,552,370.84-211,902,287.72-83,938,035.40

Finding the Fourth Proportional to 153,552,370.84, 211,902,287.72 and 83,938,035.40

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Solution

The fourth proportional to 153,552,370.84, 211,902,287.72 and 83,938,035.40 is: 115,834,497.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,552,370.84 : 211,902,287.72 = 83,938,035.40 : x
  2. Step 2: Convert to fraction form
    153,552,370.84/211,902,287.72 = 83,938,035.40/x
  3. Step 3: Cross multiply
    153,552,370.84x = 211,902,287.72 × 83,938,035.40
  4. Step 4: Simplify right side
    153,552,370.84x = 17,786,661,727,982,346
  5. Step 5: Solve for x
    x = 17,786,661,727,982,346/153,552,370.84
  6. Step 6: Final answer
    x = 115,834,497.58

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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.