Home / 89,831,923.80-134,495,943.30-87,312,499.80

Finding the Fourth Proportional to 89,831,923.80, 134,495,943.30 and 87,312,499.80

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Solution

The fourth proportional to 89,831,923.80, 134,495,943.30 and 87,312,499.80 is: 130,723,873.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,831,923.80 : 134,495,943.30 = 87,312,499.80 : x
  2. Step 2: Convert to fraction form
    89,831,923.80/134,495,943.30 = 87,312,499.80/x
  3. Step 3: Cross multiply
    89,831,923.80x = 134,495,943.30 × 87,312,499.80
  4. Step 4: Simplify right side
    89,831,923.80x = 11,743,177,022,482,062
  5. Step 5: Solve for x
    x = 11,743,177,022,482,062/89,831,923.80
  6. Step 6: Final answer
    x = 130,723,873.27

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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.