Home / 99,047,053.40-148,570,580.10-76,372,237.40

Finding the Fourth Proportional to 99,047,053.40, 148,570,580.10 and 76,372,237.40

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Solution

The fourth proportional to 99,047,053.40, 148,570,580.10 and 76,372,237.40 is: 114,558,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,047,053.40 : 148,570,580.10 = 76,372,237.40 : x
  2. Step 2: Convert to fraction form
    99,047,053.40/148,570,580.10 = 76,372,237.40/x
  3. Step 3: Cross multiply
    99,047,053.40x = 148,570,580.10 × 76,372,237.40
  4. Step 4: Simplify right side
    99,047,053.40x = 11,346,667,614,052,916
  5. Step 5: Solve for x
    x = 11,346,667,614,052,916/99,047,053.40
  6. Step 6: Final answer
    x = 114,558,356.10

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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.