Home / 74,533,686.60-111,800,529.90-51,575,435.40

Finding the Fourth Proportional to 74,533,686.60, 111,800,529.90 and 51,575,435.40

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Solution

The fourth proportional to 74,533,686.60, 111,800,529.90 and 51,575,435.40 is: 77,363,153.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,533,686.60 : 111,800,529.90 = 51,575,435.40 : x
  2. Step 2: Convert to fraction form
    74,533,686.60/111,800,529.90 = 51,575,435.40/x
  3. Step 3: Cross multiply
    74,533,686.60x = 111,800,529.90 × 51,575,435.40
  4. Step 4: Simplify right side
    74,533,686.60x = 5,766,161,007,543,219
  5. Step 5: Solve for x
    x = 5,766,161,007,543,219/74,533,686.60
  6. Step 6: Final answer
    x = 77,363,153.10

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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.