Home / 77,422,792,178.07-106,829,269,806.18-43,127,645,275.47

Finding the Fourth Proportional to 77,422,792,178.07, 106,829,269,806.18 and 43,127,645,275.47

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Solution

The fourth proportional to 77,422,792,178.07, 106,829,269,806.18 and 43,127,645,275.47 is: 59,508,249,749.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,422,792,178.07 : 106,829,269,806.18 = 43,127,645,275.47 : x
  2. Step 2: Convert to fraction form
    77,422,792,178.07/106,829,269,806.18 = 43,127,645,275.47/x
  3. Step 3: Cross multiply
    77,422,792,178.07x = 106,829,269,806.18 × 43,127,645,275.47
  4. Step 4: Simplify right side
    77,422,792,178.07x = 4,607,294,853,238,408,871,936
  5. Step 5: Solve for x
    x = 4,607,294,853,238,408,871,936/77,422,792,178.07
  6. Step 6: Final answer
    x = 59,508,249,749.53

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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.