Home / 310,262,756.88-428,165,557.32-171,038,512.08

Finding the Fourth Proportional to 310,262,756.88, 428,165,557.32 and 171,038,512.08

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Solution

The fourth proportional to 310,262,756.88, 428,165,557.32 and 171,038,512.08 is: 236,034,774.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,262,756.88 : 428,165,557.32 = 171,038,512.08 : x
  2. Step 2: Convert to fraction form
    310,262,756.88/428,165,557.32 = 171,038,512.08/x
  3. Step 3: Cross multiply
    310,262,756.88x = 428,165,557.32 × 171,038,512.08
  4. Step 4: Simplify right side
    310,262,756.88x = 73,232,799,847,916,752
  5. Step 5: Solve for x
    x = 73,232,799,847,916,752/310,262,756.88
  6. Step 6: Final answer
    x = 236,034,774.47

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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.