Home / 108,660,996.90-149,938,565.48-73,455,402.37

Finding the Fourth Proportional to 108,660,996.90, 149,938,565.48 and 73,455,402.37

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Solution

The fourth proportional to 108,660,996.90, 149,938,565.48 and 73,455,402.37 is: 101,359,254.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,660,996.90 : 149,938,565.48 = 73,455,402.37 : x
  2. Step 2: Convert to fraction form
    108,660,996.90/149,938,565.48 = 73,455,402.37/x
  3. Step 3: Cross multiply
    108,660,996.90x = 149,938,565.48 × 73,455,402.37
  4. Step 4: Simplify right side
    108,660,996.90x = 11,013,797,657,922,784
  5. Step 5: Solve for x
    x = 11,013,797,657,922,784/108,660,996.90
  6. Step 6: Final answer
    x = 101,359,254.67

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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.