Home / 101,578,887,084.75-152,267,686,018.66-47,699,573,406.12

Finding the Fourth Proportional to 101,578,887,084.75, 152,267,686,018.66 and 47,699,573,406.12

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Solution

The fourth proportional to 101,578,887,084.75, 152,267,686,018.66 and 47,699,573,406.12 is: 71,502,099,255.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,578,887,084.75 : 152,267,686,018.66 = 47,699,573,406.12 : x
  2. Step 2: Convert to fraction form
    101,578,887,084.75/152,267,686,018.66 = 47,699,573,406.12/x
  3. Step 3: Cross multiply
    101,578,887,084.75x = 152,267,686,018.66 × 47,699,573,406.12
  4. Step 4: Simplify right side
    101,578,887,084.75x = 7,263,103,666,627,105,783,808
  5. Step 5: Solve for x
    x = 7,263,103,666,627,105,783,808/101,578,887,084.75
  6. Step 6: Final answer
    x = 71,502,099,255.80

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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.