Home / 103,538,113,447.24-155,169,876,259.46-53,171,512,545.16

Finding the Fourth Proportional to 103,538,113,447.24, 155,169,876,259.46 and 53,171,512,545.16

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Solution

The fourth proportional to 103,538,113,447.24, 155,169,876,259.46 and 53,171,512,545.16 is: 79,686,762,173.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,538,113,447.24 : 155,169,876,259.46 = 53,171,512,545.16 : x
  2. Step 2: Convert to fraction form
    103,538,113,447.24/155,169,876,259.46 = 53,171,512,545.16/x
  3. Step 3: Cross multiply
    103,538,113,447.24x = 155,169,876,259.46 × 53,171,512,545.16
  4. Step 4: Simplify right side
    103,538,113,447.24x = 8,250,617,022,160,802,152,448
  5. Step 5: Solve for x
    x = 8,250,617,022,160,802,152,448/103,538,113,447.24
  6. Step 6: Final answer
    x = 79,686,762,173.48

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1.5x scale

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.