Home / 212,833,670.28-293,719,007.88-118,756,034.60

Finding the Fourth Proportional to 212,833,670.28, 293,719,007.88 and 118,756,034.60

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Solution

The fourth proportional to 212,833,670.28, 293,719,007.88 and 118,756,034.60 is: 163,888,094.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,833,670.28 : 293,719,007.88 = 118,756,034.60 : x
  2. Step 2: Convert to fraction form
    212,833,670.28/293,719,007.88 = 118,756,034.60/x
  3. Step 3: Cross multiply
    212,833,670.28x = 293,719,007.88 × 118,756,034.60
  4. Step 4: Simplify right side
    212,833,670.28x = 34,880,904,662,474,952
  5. Step 5: Solve for x
    x = 34,880,904,662,474,952/212,833,670.28
  6. Step 6: Final answer
    x = 163,888,094.48

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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.