Home / 53,143,807.20-79,715,710.80-14,811,237.60

Finding the Fourth Proportional to 53,143,807.20, 79,715,710.80 and 14,811,237.60

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Solution

The fourth proportional to 53,143,807.20, 79,715,710.80 and 14,811,237.60 is: 22,216,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,143,807.20 : 79,715,710.80 = 14,811,237.60 : x
  2. Step 2: Convert to fraction form
    53,143,807.20/79,715,710.80 = 14,811,237.60/x
  3. Step 3: Cross multiply
    53,143,807.20x = 79,715,710.80 × 14,811,237.60
  4. Step 4: Simplify right side
    53,143,807.20x = 1,180,688,333,111,686
  5. Step 5: Solve for x
    x = 1,180,688,333,111,686/53,143,807.20
  6. Step 6: Final answer
    x = 22,216,856.40

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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.