Home / 147,672,090.40-221,508,135.60-87,205,914.40

Finding the Fourth Proportional to 147,672,090.40, 221,508,135.60 and 87,205,914.40

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Solution

The fourth proportional to 147,672,090.40, 221,508,135.60 and 87,205,914.40 is: 130,808,871.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,672,090.40 : 221,508,135.60 = 87,205,914.40 : x
  2. Step 2: Convert to fraction form
    147,672,090.40/221,508,135.60 = 87,205,914.40/x
  3. Step 3: Cross multiply
    147,672,090.40x = 221,508,135.60 × 87,205,914.40
  4. Step 4: Simplify right side
    147,672,090.40x = 19,316,819,512,037,192
  5. Step 5: Solve for x
    x = 19,316,819,512,037,192/147,672,090.40
  6. Step 6: Final answer
    x = 130,808,871.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.