Home / 126,311,948.07-189,272,627.26-98,580,111.32

Finding the Fourth Proportional to 126,311,948.07, 189,272,627.26 and 98,580,111.32

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Solution

The fourth proportional to 126,311,948.07, 189,272,627.26 and 98,580,111.32 is: 147,717,749.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,311,948.07 : 189,272,627.26 = 98,580,111.32 : x
  2. Step 2: Convert to fraction form
    126,311,948.07/189,272,627.26 = 98,580,111.32/x
  3. Step 3: Cross multiply
    126,311,948.07x = 189,272,627.26 × 98,580,111.32
  4. Step 4: Simplify right side
    126,311,948.07x = 18,658,516,663,926,852
  5. Step 5: Solve for x
    x = 18,658,516,663,926,852/126,311,948.07
  6. Step 6: Final answer
    x = 147,717,749.18

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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.