Home / 89,578,637,120.75-134,367,035,377.76-51,781,162,129.33

Finding the Fourth Proportional to 89,578,637,120.75, 134,367,035,377.76 and 51,781,162,129.33

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Solution

The fourth proportional to 89,578,637,120.75, 134,367,035,377.76 and 51,781,162,129.33 is: 77,671,211,210.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,578,637,120.75 : 134,367,035,377.76 = 51,781,162,129.33 : x
  2. Step 2: Convert to fraction form
    89,578,637,120.75/134,367,035,377.76 = 51,781,162,129.33/x
  3. Step 3: Cross multiply
    89,578,637,120.75x = 134,367,035,377.76 × 51,781,162,129.33
  4. Step 4: Simplify right side
    89,578,637,120.75x = 6,957,681,243,733,210,693,632
  5. Step 5: Solve for x
    x = 6,957,681,243,733,210,693,632/89,578,637,120.75
  6. Step 6: Final answer
    x = 77,671,211,210.26

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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.