Home / 256,244,587.77-384,980,071.34-164,308,449.52

Finding the Fourth Proportional to 256,244,587.77, 384,980,071.34 and 164,308,449.52

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Solution

The fourth proportional to 256,244,587.77, 384,980,071.34 and 164,308,449.52 is: 246,855,862.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,244,587.77 : 384,980,071.34 = 164,308,449.52 : x
  2. Step 2: Convert to fraction form
    256,244,587.77/384,980,071.34 = 164,308,449.52/x
  3. Step 3: Cross multiply
    256,244,587.77x = 384,980,071.34 × 164,308,449.52
  4. Step 4: Simplify right side
    256,244,587.77x = 63,255,478,617,974,392
  5. Step 5: Solve for x
    x = 63,255,478,617,974,392/256,244,587.77
  6. Step 6: Final answer
    x = 246,855,862.08

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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.