Home / 256,686,686.16-354,272,905.64-152,322,302.56

Finding the Fourth Proportional to 256,686,686.16, 354,272,905.64 and 152,322,302.56

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Solution

The fourth proportional to 256,686,686.16, 354,272,905.64 and 152,322,302.56 is: 210,231,646.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,686,686.16 : 354,272,905.64 = 152,322,302.56 : x
  2. Step 2: Convert to fraction form
    256,686,686.16/354,272,905.64 = 152,322,302.56/x
  3. Step 3: Cross multiply
    256,686,686.16x = 354,272,905.64 × 152,322,302.56
  4. Step 4: Simplify right side
    256,686,686.16x = 53,963,664,721,706,408
  5. Step 5: Solve for x
    x = 53,963,664,721,706,408/256,686,686.16
  6. Step 6: Final answer
    x = 210,231,646.72

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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.