Home / 107,506,812.53-148,355,128.08-63,467,997.56

Finding the Fourth Proportional to 107,506,812.53, 148,355,128.08 and 63,467,997.56

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Solution

The fourth proportional to 107,506,812.53, 148,355,128.08 and 63,467,997.56 is: 87,583,313.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,506,812.53 : 148,355,128.08 = 63,467,997.56 : x
  2. Step 2: Convert to fraction form
    107,506,812.53/148,355,128.08 = 63,467,997.56/x
  3. Step 3: Cross multiply
    107,506,812.53x = 148,355,128.08 × 63,467,997.56
  4. Step 4: Simplify right side
    107,506,812.53x = 9,415,802,906,253,152
  5. Step 5: Solve for x
    x = 9,415,802,906,253,152/107,506,812.53
  6. Step 6: Final answer
    x = 87,583,313.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.