Home / 142,184,955.61-212,932,656.51-98,342,669.62

Finding the Fourth Proportional to 142,184,955.61, 212,932,656.51 and 98,342,669.62

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Solution

The fourth proportional to 142,184,955.61, 212,932,656.51 and 98,342,669.62 is: 147,275,538.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,184,955.61 : 212,932,656.51 = 98,342,669.62 : x
  2. Step 2: Convert to fraction form
    142,184,955.61/212,932,656.51 = 98,342,669.62/x
  3. Step 3: Cross multiply
    142,184,955.61x = 212,932,656.51 × 98,342,669.62
  4. Step 4: Simplify right side
    142,184,955.61x = 20,940,365,890,471,872
  5. Step 5: Solve for x
    x = 20,940,365,890,471,872/142,184,955.61
  6. Step 6: Final answer
    x = 147,275,538.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.