Home / 79,488,246.80-119,232,370.20-66,051,318.80

Finding the Fourth Proportional to 79,488,246.80, 119,232,370.20 and 66,051,318.80

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Solution

The fourth proportional to 79,488,246.80, 119,232,370.20 and 66,051,318.80 is: 99,076,978.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,488,246.80 : 119,232,370.20 = 66,051,318.80 : x
  2. Step 2: Convert to fraction form
    79,488,246.80/119,232,370.20 = 66,051,318.80/x
  3. Step 3: Cross multiply
    79,488,246.80x = 119,232,370.20 × 66,051,318.80
  4. Step 4: Simplify right side
    79,488,246.80x = 7,875,455,295,359,820
  5. Step 5: Solve for x
    x = 7,875,455,295,359,820/79,488,246.80
  6. Step 6: Final answer
    x = 99,076,978.20

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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.