Home / 122,977,637.40-184,664,070.18-81,542,510.76

Finding the Fourth Proportional to 122,977,637.40, 184,664,070.18 and 81,542,510.76

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Solution

The fourth proportional to 122,977,637.40, 184,664,070.18 and 81,542,510.76 is: 122,444,797.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,977,637.40 : 184,664,070.18 = 81,542,510.76 : x
  2. Step 2: Convert to fraction form
    122,977,637.40/184,664,070.18 = 81,542,510.76/x
  3. Step 3: Cross multiply
    122,977,637.40x = 184,664,070.18 × 81,542,510.76
  4. Step 4: Simplify right side
    122,977,637.40x = 15,057,971,929,638,046
  5. Step 5: Solve for x
    x = 15,057,971,929,638,046/122,977,637.40
  6. Step 6: Final answer
    x = 122,444,797.67

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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.