Home / 141,478,821.13-212,218,218.74-39,242,863.21

Finding the Fourth Proportional to 141,478,821.13, 212,218,218.74 and 39,242,863.21

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Solution

The fourth proportional to 141,478,821.13, 212,218,218.74 and 39,242,863.21 is: 58,864,291.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,478,821.13 : 212,218,218.74 = 39,242,863.21 : x
  2. Step 2: Convert to fraction form
    141,478,821.13/212,218,218.74 = 39,242,863.21/x
  3. Step 3: Cross multiply
    141,478,821.13x = 212,218,218.74 × 39,242,863.21
  4. Step 4: Simplify right side
    141,478,821.13x = 8,328,050,528,683,679
  5. Step 5: Solve for x
    x = 8,328,050,528,683,679/141,478,821.13
  6. Step 6: Final answer
    x = 58,864,291.22

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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.