Home / 155,145,926,840.57-214,106,661,737.47-90,035,313,045.87

Finding the Fourth Proportional to 155,145,926,840.57, 214,106,661,737.47 and 90,035,313,045.87

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Solution

The fourth proportional to 155,145,926,840.57, 214,106,661,737.47 and 90,035,313,045.87 is: 124,251,797,693.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,145,926,840.57 : 214,106,661,737.47 = 90,035,313,045.87 : x
  2. Step 2: Convert to fraction form
    155,145,926,840.57/214,106,661,737.47 = 90,035,313,045.87/x
  3. Step 3: Cross multiply
    155,145,926,840.57x = 214,106,661,737.47 × 90,035,313,045.87
  4. Step 4: Simplify right side
    155,145,926,840.57x = 19,277,160,314,739,307,315,200
  5. Step 5: Solve for x
    x = 19,277,160,314,739,307,315,200/155,145,926,840.57
  6. Step 6: Final answer
    x = 124,251,797,693.33

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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.