Home / 99,854,571.61-137,799,495.53-55,801,570.51

Finding the Fourth Proportional to 99,854,571.61, 137,799,495.53 and 55,801,570.51

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Solution

The fourth proportional to 99,854,571.61, 137,799,495.53 and 55,801,570.51 is: 77,006,271.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,854,571.61 : 137,799,495.53 = 55,801,570.51 : x
  2. Step 2: Convert to fraction form
    99,854,571.61/137,799,495.53 = 55,801,570.51/x
  3. Step 3: Cross multiply
    99,854,571.61x = 137,799,495.53 × 55,801,570.51
  4. Step 4: Simplify right side
    99,854,571.61x = 7,689,428,265,780,717
  5. Step 5: Solve for x
    x = 7,689,428,265,780,717/99,854,571.61
  6. Step 6: Final answer
    x = 77,006,271.64

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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.