Home / 47,630,037.90-71,354,908.52-28,140,981.42

Finding the Fourth Proportional to 47,630,037.90, 71,354,908.52 and 28,140,981.42

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Solution

The fourth proportional to 47,630,037.90, 71,354,908.52 and 28,140,981.42 is: 42,158,210.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,630,037.90 : 71,354,908.52 = 28,140,981.42 : x
  2. Step 2: Convert to fraction form
    47,630,037.90/71,354,908.52 = 28,140,981.42/x
  3. Step 3: Cross multiply
    47,630,037.90x = 71,354,908.52 × 28,140,981.42
  4. Step 4: Simplify right side
    47,630,037.90x = 2,007,997,154,887,119.75
  5. Step 5: Solve for x
    x = 2,007,997,154,887,119.75/47,630,037.90
  6. Step 6: Final answer
    x = 42,158,210.31

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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.