Home / 101,190,397.81-151,848,065.64-39,768,759.79

Finding the Fourth Proportional to 101,190,397.81, 151,848,065.64 and 39,768,759.79

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Solution

The fourth proportional to 101,190,397.81, 151,848,065.64 and 39,768,759.79 is: 59,677,690.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,190,397.81 : 151,848,065.64 = 39,768,759.79 : x
  2. Step 2: Convert to fraction form
    101,190,397.81/151,848,065.64 = 39,768,759.79/x
  3. Step 3: Cross multiply
    101,190,397.81x = 151,848,065.64 × 39,768,759.79
  4. Step 4: Simplify right side
    101,190,397.81x = 6,038,809,247,013,312
  5. Step 5: Solve for x
    x = 6,038,809,247,013,312/101,190,397.81
  6. Step 6: Final answer
    x = 59,677,690.55

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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.