Home / 76,846,756.68-106,049,361.06-42,038,699.76

Finding the Fourth Proportional to 76,846,756.68, 106,049,361.06 and 42,038,699.76

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Solution

The fourth proportional to 76,846,756.68, 106,049,361.06 and 42,038,699.76 is: 58,013,863.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,846,756.68 : 106,049,361.06 = 42,038,699.76 : x
  2. Step 2: Convert to fraction form
    76,846,756.68/106,049,361.06 = 42,038,699.76/x
  3. Step 3: Cross multiply
    76,846,756.68x = 106,049,361.06 × 42,038,699.76
  4. Step 4: Simplify right side
    76,846,756.68x = 4,458,177,249,341,175
  5. Step 5: Solve for x
    x = 4,458,177,249,341,175/76,846,756.68
  6. Step 6: Final answer
    x = 58,013,863.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.