Home / 96,790,631.40-145,185,947.10-74,871,642.60

Finding the Fourth Proportional to 96,790,631.40, 145,185,947.10 and 74,871,642.60

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Solution

The fourth proportional to 96,790,631.40, 145,185,947.10 and 74,871,642.60 is: 112,307,463.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,790,631.40 : 145,185,947.10 = 74,871,642.60 : x
  2. Step 2: Convert to fraction form
    96,790,631.40/145,185,947.10 = 74,871,642.60/x
  3. Step 3: Cross multiply
    96,790,631.40x = 145,185,947.10 × 74,871,642.60
  4. Step 4: Simplify right side
    96,790,631.40x = 10,870,310,341,813,706
  5. Step 5: Solve for x
    x = 10,870,310,341,813,706/96,790,631.40
  6. Step 6: Final answer
    x = 112,307,463.90

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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.