Home / 90,292,908.84-124,600,043.60-51,134,966.24

Finding the Fourth Proportional to 90,292,908.84, 124,600,043.60 and 51,134,966.24

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Solution

The fourth proportional to 90,292,908.84, 124,600,043.60 and 51,134,966.24 is: 70,563,891.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,292,908.84 : 124,600,043.60 = 51,134,966.24 : x
  2. Step 2: Convert to fraction form
    90,292,908.84/124,600,043.60 = 51,134,966.24/x
  3. Step 3: Cross multiply
    90,292,908.84x = 124,600,043.60 × 51,134,966.24
  4. Step 4: Simplify right side
    90,292,908.84x = 6,371,419,022,988,528
  5. Step 5: Solve for x
    x = 6,371,419,022,988,528/90,292,908.84
  6. Step 6: Final answer
    x = 70,563,891.50

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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.