Home / 78,865,416.04-118,192,381.04-61,379,088.24

Finding the Fourth Proportional to 78,865,416.04, 118,192,381.04 and 61,379,088.24

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Solution

The fourth proportional to 78,865,416.04, 118,192,381.04 and 61,379,088.24 is: 91,986,335.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,865,416.04 : 118,192,381.04 = 61,379,088.24 : x
  2. Step 2: Convert to fraction form
    78,865,416.04/118,192,381.04 = 61,379,088.24/x
  3. Step 3: Cross multiply
    78,865,416.04x = 118,192,381.04 × 61,379,088.24
  4. Step 4: Simplify right side
    78,865,416.04x = 7,254,540,585,149,864
  5. Step 5: Solve for x
    x = 7,254,540,585,149,864/78,865,416.04
  6. Step 6: Final answer
    x = 91,986,335.07

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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.