Home / 102,886,290.67-141,981,299.35-55,842,354.69

Finding the Fourth Proportional to 102,886,290.67, 141,981,299.35 and 55,842,354.69

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Solution

The fourth proportional to 102,886,290.67, 141,981,299.35 and 55,842,354.69 is: 77,061,482.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,886,290.67 : 141,981,299.35 = 55,842,354.69 : x
  2. Step 2: Convert to fraction form
    102,886,290.67/141,981,299.35 = 55,842,354.69/x
  3. Step 3: Cross multiply
    102,886,290.67x = 141,981,299.35 × 55,842,354.69
  4. Step 4: Simplify right side
    102,886,290.67x = 7,928,570,076,977,731
  5. Step 5: Solve for x
    x = 7,928,570,076,977,731/102,886,290.67
  6. Step 6: Final answer
    x = 77,061,482.39

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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.