Home / 74,896,940.60-112,345,410.90-53,285,881.40

Finding the Fourth Proportional to 74,896,940.60, 112,345,410.90 and 53,285,881.40

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Solution

The fourth proportional to 74,896,940.60, 112,345,410.90 and 53,285,881.40 is: 79,928,822.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,896,940.60 : 112,345,410.90 = 53,285,881.40 : x
  2. Step 2: Convert to fraction form
    74,896,940.60/112,345,410.90 = 53,285,881.40/x
  3. Step 3: Cross multiply
    74,896,940.60x = 112,345,410.90 × 53,285,881.40
  4. Step 4: Simplify right side
    74,896,940.60x = 5,986,424,241,051,667
  5. Step 5: Solve for x
    x = 5,986,424,241,051,667/74,896,940.60
  6. Step 6: Final answer
    x = 79,928,822.10

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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.