Home / 134,661,836.84-185,833,250.84-72,782,175.40

Finding the Fourth Proportional to 134,661,836.84, 185,833,250.84 and 72,782,175.40

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Solution

The fourth proportional to 134,661,836.84, 185,833,250.84 and 72,782,175.40 is: 100,439,356.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,661,836.84 : 185,833,250.84 = 72,782,175.40 : x
  2. Step 2: Convert to fraction form
    134,661,836.84/185,833,250.84 = 72,782,175.40/x
  3. Step 3: Cross multiply
    134,661,836.84x = 185,833,250.84 × 72,782,175.40
  4. Step 4: Simplify right side
    134,661,836.84x = 13,525,348,257,506,448
  5. Step 5: Solve for x
    x = 13,525,348,257,506,448/134,661,836.84
  6. Step 6: Final answer
    x = 100,439,356.65

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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.