Home / 112,181,541.71-168,331,558.19-79,602,627.69

Finding the Fourth Proportional to 112,181,541.71, 168,331,558.19 and 79,602,627.69

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Solution

The fourth proportional to 112,181,541.71, 168,331,558.19 and 79,602,627.69 is: 119,445,981.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,181,541.71 : 168,331,558.19 = 79,602,627.69 : x
  2. Step 2: Convert to fraction form
    112,181,541.71/168,331,558.19 = 79,602,627.69/x
  3. Step 3: Cross multiply
    112,181,541.71x = 168,331,558.19 × 79,602,627.69
  4. Step 4: Simplify right side
    112,181,541.71x = 13,399,634,354,678,126
  5. Step 5: Solve for x
    x = 13,399,634,354,678,126/112,181,541.71
  6. Step 6: Final answer
    x = 119,445,981.50

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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.