Home / 101,578,887,085.75-152,267,686,020.16-47,699,573,407.12

Finding the Fourth Proportional to 101,578,887,085.75, 152,267,686,020.16 and 47,699,573,407.12

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Solution

The fourth proportional to 101,578,887,085.75, 152,267,686,020.16 and 47,699,573,407.12 is: 71,502,099,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,578,887,085.75 : 152,267,686,020.16 = 47,699,573,407.12 : x
  2. Step 2: Convert to fraction form
    101,578,887,085.75/152,267,686,020.16 = 47,699,573,407.12/x
  3. Step 3: Cross multiply
    101,578,887,085.75x = 152,267,686,020.16 × 47,699,573,407.12
  4. Step 4: Simplify right side
    101,578,887,085.75x = 7,263,103,666,850,922,233,856
  5. Step 5: Solve for x
    x = 7,263,103,666,850,922,233,856/101,578,887,085.75
  6. Step 6: Final answer
    x = 71,502,099,257.30

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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.