Home / 147,672,023.40-221,508,035.10-87,205,847.40

Finding the Fourth Proportional to 147,672,023.40, 221,508,035.10 and 87,205,847.40

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Solution

The fourth proportional to 147,672,023.40, 221,508,035.10 and 87,205,847.40 is: 130,808,771.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,672,023.40 : 221,508,035.10 = 87,205,847.40 : x
  2. Step 2: Convert to fraction form
    147,672,023.40/221,508,035.10 = 87,205,847.40/x
  3. Step 3: Cross multiply
    147,672,023.40x = 221,508,035.10 × 87,205,847.40
  4. Step 4: Simplify right side
    147,672,023.40x = 19,316,795,906,804,444
  5. Step 5: Solve for x
    x = 19,316,795,906,804,444/147,672,023.40
  6. Step 6: Final answer
    x = 130,808,771.10

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1.5x scale

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.