Home / 103,855,504.60-155,783,256.90-99,072,535.60

Finding the Fourth Proportional to 103,855,504.60, 155,783,256.90 and 99,072,535.60

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Solution

The fourth proportional to 103,855,504.60, 155,783,256.90 and 99,072,535.60 is: 148,608,803.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,855,504.60 : 155,783,256.90 = 99,072,535.60 : x
  2. Step 2: Convert to fraction form
    103,855,504.60/155,783,256.90 = 99,072,535.60/x
  3. Step 3: Cross multiply
    103,855,504.60x = 155,783,256.90 × 99,072,535.60
  4. Step 4: Simplify right side
    103,855,504.60x = 15,433,842,265,109,196
  5. Step 5: Solve for x
    x = 15,433,842,265,109,196/103,855,504.60
  6. Step 6: Final answer
    x = 148,608,803.40

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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.