Home / 103,168,208-142,372,124.16-56,757,463.04

Finding the Fourth Proportional to 103,168,208, 142,372,124.16 and 56,757,463.04

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Solution

The fourth proportional to 103,168,208, 142,372,124.16 and 56,757,463.04 is: 78,325,297.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,168,208 : 142,372,124.16 = 56,757,463.04 : x
  2. Step 2: Convert to fraction form
    103,168,208/142,372,124.16 = 56,757,463.04/x
  3. Step 3: Cross multiply
    103,168,208x = 142,372,124.16 × 56,757,463.04
  4. Step 4: Simplify right side
    103,168,208x = 8,080,680,574,937,491
  5. Step 5: Solve for x
    x = 8,080,680,574,937,491/103,168,208
  6. Step 6: Final answer
    x = 78,325,297.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.