Home / 138,973,602.92-208,492,429.26-48,097,191.56

Finding the Fourth Proportional to 138,973,602.92, 208,492,429.26 and 48,097,191.56

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Solution

The fourth proportional to 138,973,602.92, 208,492,429.26 and 48,097,191.56 is: 72,156,870.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,973,602.92 : 208,492,429.26 = 48,097,191.56 : x
  2. Step 2: Convert to fraction form
    138,973,602.92/208,492,429.26 = 48,097,191.56/x
  3. Step 3: Cross multiply
    138,973,602.92x = 208,492,429.26 × 48,097,191.56
  4. Step 4: Simplify right side
    138,973,602.92x = 10,027,900,308,927,970
  5. Step 5: Solve for x
    x = 10,027,900,308,927,970/138,973,602.92
  6. Step 6: Final answer
    x = 72,156,870.79

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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.