Home / 124,463,322.70-186,836,701.65-73,374,127.90

Finding the Fourth Proportional to 124,463,322.70, 186,836,701.65 and 73,374,127.90

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Solution

The fourth proportional to 124,463,322.70, 186,836,701.65 and 73,374,127.90 is: 110,144,737.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,463,322.70 : 186,836,701.65 = 73,374,127.90 : x
  2. Step 2: Convert to fraction form
    124,463,322.70/186,836,701.65 = 73,374,127.90/x
  3. Step 3: Cross multiply
    124,463,322.70x = 186,836,701.65 × 73,374,127.90
  4. Step 4: Simplify right side
    124,463,322.70x = 13,708,980,043,281,242
  5. Step 5: Solve for x
    x = 13,708,980,043,281,242/124,463,322.70
  6. Step 6: Final answer
    x = 110,144,737.79

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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.