Home / 56,420,007.30-84,630,010.95-53,018,784.90

Finding the Fourth Proportional to 56,420,007.30, 84,630,010.95 and 53,018,784.90

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Solution

The fourth proportional to 56,420,007.30, 84,630,010.95 and 53,018,784.90 is: 79,528,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,420,007.30 : 84,630,010.95 = 53,018,784.90 : x
  2. Step 2: Convert to fraction form
    56,420,007.30/84,630,010.95 = 53,018,784.90/x
  3. Step 3: Cross multiply
    56,420,007.30x = 84,630,010.95 × 53,018,784.90
  4. Step 4: Simplify right side
    56,420,007.30x = 4,486,980,346,642,694.50
  5. Step 5: Solve for x
    x = 4,486,980,346,642,694.50/56,420,007.30
  6. Step 6: Final answer
    x = 79,528,177.35

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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.