Home / 79,046,056.92-118,609,618.77-38,140,381.65

Finding the Fourth Proportional to 79,046,056.92, 118,609,618.77 and 38,140,381.65

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Solution

The fourth proportional to 79,046,056.92, 118,609,618.77 and 38,140,381.65 is: 57,230,130.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,046,056.92 : 118,609,618.77 = 38,140,381.65 : x
  2. Step 2: Convert to fraction form
    79,046,056.92/118,609,618.77 = 38,140,381.65/x
  3. Step 3: Cross multiply
    79,046,056.92x = 118,609,618.77 × 38,140,381.65
  4. Step 4: Simplify right side
    79,046,056.92x = 4,523,816,127,248,803
  5. Step 5: Solve for x
    x = 4,523,816,127,248,803/79,046,056.92
  6. Step 6: Final answer
    x = 57,230,130.17

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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.