Home / 79,514,827.20-119,272,240.80-43,140,643.20

Finding the Fourth Proportional to 79,514,827.20, 119,272,240.80 and 43,140,643.20

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Solution

The fourth proportional to 79,514,827.20, 119,272,240.80 and 43,140,643.20 is: 64,710,964.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,514,827.20 : 119,272,240.80 = 43,140,643.20 : x
  2. Step 2: Convert to fraction form
    79,514,827.20/119,272,240.80 = 43,140,643.20/x
  3. Step 3: Cross multiply
    79,514,827.20x = 119,272,240.80 × 43,140,643.20
  4. Step 4: Simplify right side
    79,514,827.20x = 5,145,481,184,017,283
  5. Step 5: Solve for x
    x = 5,145,481,184,017,283/79,514,827.20
  6. Step 6: Final answer
    x = 64,710,964.80

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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.