Home / 153,818,892.16-212,043,921.60-117,085,482.88

Finding the Fourth Proportional to 153,818,892.16, 212,043,921.60 and 117,085,482.88

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Solution

The fourth proportional to 153,818,892.16, 212,043,921.60 and 117,085,482.88 is: 161,405,823.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,818,892.16 : 212,043,921.60 = 117,085,482.88 : x
  2. Step 2: Convert to fraction form
    153,818,892.16/212,043,921.60 = 117,085,482.88/x
  3. Step 3: Cross multiply
    153,818,892.16x = 212,043,921.60 × 117,085,482.88
  4. Step 4: Simplify right side
    153,818,892.16x = 24,827,264,952,304,860
  5. Step 5: Solve for x
    x = 24,827,264,952,304,860/153,818,892.16
  6. Step 6: Final answer
    x = 161,405,823.46

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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.