Home / 98,656,381,645.05-136,122,472,570.44-55,836,864,515.71

Finding the Fourth Proportional to 98,656,381,645.05, 136,122,472,570.44 and 55,836,864,515.71

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Solution

The fourth proportional to 98,656,381,645.05, 136,122,472,570.44 and 55,836,864,515.71 is: 77,041,666,557.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,656,381,645.05 : 136,122,472,570.44 = 55,836,864,515.71 : x
  2. Step 2: Convert to fraction form
    98,656,381,645.05/136,122,472,570.44 = 55,836,864,515.71/x
  3. Step 3: Cross multiply
    98,656,381,645.05x = 136,122,472,570.44 × 55,836,864,515.71
  4. Step 4: Simplify right side
    98,656,381,645.05x = 7,600,652,058,459,109,326,848
  5. Step 5: Solve for x
    x = 7,600,652,058,459,109,326,848/98,656,381,645.05
  6. Step 6: Final answer
    x = 77,041,666,557.42

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1.5x scale

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.