Home / 256,025,862.37-353,316,569.36-138,551,161.45

Finding the Fourth Proportional to 256,025,862.37, 353,316,569.36 and 138,551,161.45

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Solution

The fourth proportional to 256,025,862.37, 353,316,569.36 and 138,551,161.45 is: 191,201,078.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,025,862.37 : 353,316,569.36 = 138,551,161.45 : x
  2. Step 2: Convert to fraction form
    256,025,862.37/353,316,569.36 = 138,551,161.45/x
  3. Step 3: Cross multiply
    256,025,862.37x = 353,316,569.36 × 138,551,161.45
  4. Step 4: Simplify right side
    256,025,862.37x = 48,952,421,044,357,480
  5. Step 5: Solve for x
    x = 48,952,421,044,357,480/256,025,862.37
  6. Step 6: Final answer
    x = 191,201,078.64

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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.