Home / 223,440,068.67-308,342,463.08-129,358,182.70

Finding the Fourth Proportional to 223,440,068.67, 308,342,463.08 and 129,358,182.70

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Solution

The fourth proportional to 223,440,068.67, 308,342,463.08 and 129,358,182.70 is: 178,511,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,440,068.67 : 308,342,463.08 = 129,358,182.70 : x
  2. Step 2: Convert to fraction form
    223,440,068.67/308,342,463.08 = 129,358,182.70/x
  3. Step 3: Cross multiply
    223,440,068.67x = 308,342,463.08 × 129,358,182.70
  4. Step 4: Simplify right side
    223,440,068.67x = 39,886,620,673,009,280
  5. Step 5: Solve for x
    x = 39,886,620,673,009,280/223,440,068.67
  6. Step 6: Final answer
    x = 178,511,494.88

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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.