Home / 49,516,165.60-74,277,528.90-13,124,048.20

Finding the Fourth Proportional to 49,516,165.60, 74,277,528.90 and 13,124,048.20

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Solution

The fourth proportional to 49,516,165.60, 74,277,528.90 and 13,124,048.20 is: 19,686,941.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,516,165.60 : 74,277,528.90 = 13,124,048.20 : x
  2. Step 2: Convert to fraction form
    49,516,165.60/74,277,528.90 = 13,124,048.20/x
  3. Step 3: Cross multiply
    49,516,165.60x = 74,277,528.90 × 13,124,048.20
  4. Step 4: Simplify right side
    49,516,165.60x = 974,821,869,460,493
  5. Step 5: Solve for x
    x = 974,821,869,460,493/49,516,165.60
  6. Step 6: Final answer
    x = 19,686,941.78

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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.