Home / 51,636,092,751.88-71,290,708,976.82-42,143,288,120.20

Finding the Fourth Proportional to 51,636,092,751.88, 71,290,708,976.82 and 42,143,288,120.20

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Solution

The fourth proportional to 51,636,092,751.88, 71,290,708,976.82 and 42,143,288,120.20 is: 58,184,590,052.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,636,092,751.88 : 71,290,708,976.82 = 42,143,288,120.20 : x
  2. Step 2: Convert to fraction form
    51,636,092,751.88/71,290,708,976.82 = 42,143,288,120.20/x
  3. Step 3: Cross multiply
    51,636,092,751.88x = 71,290,708,976.82 × 42,143,288,120.20
  4. Step 4: Simplify right side
    51,636,092,751.88x = 3,004,424,888,703,453,757,440
  5. Step 5: Solve for x
    x = 3,004,424,888,703,453,757,440/51,636,092,751.88
  6. Step 6: Final answer
    x = 58,184,590,052.93

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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.