Home / 70,240,465.63-96,928,787.81-38,876,644.64

Finding the Fourth Proportional to 70,240,465.63, 96,928,787.81 and 38,876,644.64

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Solution

The fourth proportional to 70,240,465.63, 96,928,787.81 and 38,876,644.64 is: 53,648,078.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,240,465.63 : 96,928,787.81 = 38,876,644.64 : x
  2. Step 2: Convert to fraction form
    70,240,465.63/96,928,787.81 = 38,876,644.64/x
  3. Step 3: Cross multiply
    70,240,465.63x = 96,928,787.81 × 38,876,644.64
  4. Step 4: Simplify right side
    70,240,465.63x = 3,768,266,039,075,334
  5. Step 5: Solve for x
    x = 3,768,266,039,075,334/70,240,465.63
  6. Step 6: Final answer
    x = 53,648,078.86

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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.