Home / 243,004,877.79-335,347,620.21-131,495,719.50

Finding the Fourth Proportional to 243,004,877.79, 335,347,620.21 and 131,495,719.50

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Solution

The fourth proportional to 243,004,877.79, 335,347,620.21 and 131,495,719.50 is: 181,464,573.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,004,877.79 : 335,347,620.21 = 131,495,719.50 : x
  2. Step 2: Convert to fraction form
    243,004,877.79/335,347,620.21 = 131,495,719.50/x
  3. Step 3: Cross multiply
    243,004,877.79x = 335,347,620.21 × 131,495,719.50
  4. Step 4: Simplify right side
    243,004,877.79x = 44,096,776,602,126,688
  5. Step 5: Solve for x
    x = 44,096,776,602,126,688/243,004,877.79
  6. Step 6: Final answer
    x = 181,464,573.89

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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.