Home / 153,662,489.60-212,072,532.48-88,485,094.40

Finding the Fourth Proportional to 153,662,489.60, 212,072,532.48 and 88,485,094.40

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Solution

The fourth proportional to 153,662,489.60, 212,072,532.48 and 88,485,094.40 is: 122,119,966.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,662,489.60 : 212,072,532.48 = 88,485,094.40 : x
  2. Step 2: Convert to fraction form
    153,662,489.60/212,072,532.48 = 88,485,094.40/x
  3. Step 3: Cross multiply
    153,662,489.60x = 212,072,532.48 × 88,485,094.40
  4. Step 4: Simplify right side
    153,662,489.60x = 18,765,258,056,139,868
  5. Step 5: Solve for x
    x = 18,765,258,056,139,868/153,662,489.60
  6. Step 6: Final answer
    x = 122,119,966.33

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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.