Home / 256,686,688.16-354,272,908.40-152,322,304.56

Finding the Fourth Proportional to 256,686,688.16, 354,272,908.40 and 152,322,304.56

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Solution

The fourth proportional to 256,686,688.16, 354,272,908.40 and 152,322,304.56 is: 210,231,649.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,686,688.16 : 354,272,908.40 = 152,322,304.56 : x
  2. Step 2: Convert to fraction form
    256,686,688.16/354,272,908.40 = 152,322,304.56/x
  3. Step 3: Cross multiply
    256,686,688.16x = 354,272,908.40 × 152,322,304.56
  4. Step 4: Simplify right side
    256,686,688.16x = 53,963,665,850,661,776
  5. Step 5: Solve for x
    x = 53,963,665,850,661,776/256,686,688.16
  6. Step 6: Final answer
    x = 210,231,649.48

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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.