Home / 49,762,551.40-74,643,827.10-28,239,190.90

Finding the Fourth Proportional to 49,762,551.40, 74,643,827.10 and 28,239,190.90

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Solution

The fourth proportional to 49,762,551.40, 74,643,827.10 and 28,239,190.90 is: 42,358,786.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,762,551.40 : 74,643,827.10 = 28,239,190.90 : x
  2. Step 2: Convert to fraction form
    49,762,551.40/74,643,827.10 = 28,239,190.90/x
  3. Step 3: Cross multiply
    49,762,551.40x = 74,643,827.10 × 28,239,190.90
  4. Step 4: Simplify right side
    49,762,551.40x = 2,107,881,282,983,493
  5. Step 5: Solve for x
    x = 2,107,881,282,983,493/49,762,551.40
  6. Step 6: Final answer
    x = 42,358,786.35

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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.