Home / 120,710,451.46-181,065,735.51-39,931,419.46

Finding the Fourth Proportional to 120,710,451.46, 181,065,735.51 and 39,931,419.46

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Solution

The fourth proportional to 120,710,451.46, 181,065,735.51 and 39,931,419.46 is: 59,897,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,710,451.46 : 181,065,735.51 = 39,931,419.46 : x
  2. Step 2: Convert to fraction form
    120,710,451.46/181,065,735.51 = 39,931,419.46/x
  3. Step 3: Cross multiply
    120,710,451.46x = 181,065,735.51 × 39,931,419.46
  4. Step 4: Simplify right side
    120,710,451.46x = 7,230,211,834,483,227
  5. Step 5: Solve for x
    x = 7,230,211,834,483,227/120,710,451.46
  6. Step 6: Final answer
    x = 59,897,148.48

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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.