Home / 124,439,813.40-186,659,720.10-98,461,752.60

Finding the Fourth Proportional to 124,439,813.40, 186,659,720.10 and 98,461,752.60

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Solution

The fourth proportional to 124,439,813.40, 186,659,720.10 and 98,461,752.60 is: 147,692,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,439,813.40 : 186,659,720.10 = 98,461,752.60 : x
  2. Step 2: Convert to fraction form
    124,439,813.40/186,659,720.10 = 98,461,752.60/x
  3. Step 3: Cross multiply
    124,439,813.40x = 186,659,720.10 × 98,461,752.60
  4. Step 4: Simplify right side
    124,439,813.40x = 18,378,843,180,871,444
  5. Step 5: Solve for x
    x = 18,378,843,180,871,444/124,439,813.40
  6. Step 6: Final answer
    x = 147,692,628.90

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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.