Home / 118,586,037.80-163,647,035.16-65,657,674.28

Finding the Fourth Proportional to 118,586,037.80, 163,647,035.16 and 65,657,674.28

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Solution

The fourth proportional to 118,586,037.80, 163,647,035.16 and 65,657,674.28 is: 90,606,650.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,586,037.80 : 163,647,035.16 = 65,657,674.28 : x
  2. Step 2: Convert to fraction form
    118,586,037.80/163,647,035.16 = 65,657,674.28/x
  3. Step 3: Cross multiply
    118,586,037.80x = 163,647,035.16 × 65,657,674.28
  4. Step 4: Simplify right side
    118,586,037.80x = 10,744,683,731,422,988
  5. Step 5: Solve for x
    x = 10,744,683,731,422,988/118,586,037.80
  6. Step 6: Final answer
    x = 90,606,650.92

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Why These Related Problems?

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