Home / 94,752,002.80-142,128,004.20-40,899,314.80

Finding the Fourth Proportional to 94,752,002.80, 142,128,004.20 and 40,899,314.80

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Solution

The fourth proportional to 94,752,002.80, 142,128,004.20 and 40,899,314.80 is: 61,348,972.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,752,002.80 : 142,128,004.20 = 40,899,314.80 : x
  2. Step 2: Convert to fraction form
    94,752,002.80/142,128,004.20 = 40,899,314.80/x
  3. Step 3: Cross multiply
    94,752,002.80x = 142,128,004.20 × 40,899,314.80
  4. Step 4: Simplify right side
    94,752,002.80x = 5,812,937,985,671,521
  5. Step 5: Solve for x
    x = 5,812,937,985,671,521/94,752,002.80
  6. Step 6: Final answer
    x = 61,348,972.20

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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.