Home / 257,212,988,088.62-354,954,217,834.95-143,025,157,425.74

Finding the Fourth Proportional to 257,212,988,088.62, 354,954,217,834.95 and 143,025,157,425.74

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Solution

The fourth proportional to 257,212,988,088.62, 354,954,217,834.95 and 143,025,157,425.74 is: 197,374,880,879.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,212,988,088.62 : 354,954,217,834.95 = 143,025,157,425.74 : x
  2. Step 2: Convert to fraction form
    257,212,988,088.62/354,954,217,834.95 = 143,025,157,425.74/x
  3. Step 3: Cross multiply
    257,212,988,088.62x = 354,954,217,834.95 × 143,025,157,425.74
  4. Step 4: Simplify right side
    257,212,988,088.62x = 50,767,382,884,774,133,628,928
  5. Step 5: Solve for x
    x = 50,767,382,884,774,133,628,928/257,212,988,088.62
  6. Step 6: Final answer
    x = 197,374,880,879.98

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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.