Home / 139,216,176.79-208,694,444.97-47,035,449.22

Finding the Fourth Proportional to 139,216,176.79, 208,694,444.97 and 47,035,449.22

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Solution

The fourth proportional to 139,216,176.79, 208,694,444.97 and 47,035,449.22 is: 70,509,312.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,216,176.79 : 208,694,444.97 = 47,035,449.22 : x
  2. Step 2: Convert to fraction form
    139,216,176.79/208,694,444.97 = 47,035,449.22/x
  3. Step 3: Cross multiply
    139,216,176.79x = 208,694,444.97 × 47,035,449.22
  4. Step 4: Simplify right side
    139,216,176.79x = 9,816,036,968,243,194
  5. Step 5: Solve for x
    x = 9,816,036,968,243,194/139,216,176.79
  6. Step 6: Final answer
    x = 70,509,312.89

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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.