Home / 102,563,803.20-153,845,704.80-30,760,219.20

Finding the Fourth Proportional to 102,563,803.20, 153,845,704.80 and 30,760,219.20

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Solution

The fourth proportional to 102,563,803.20, 153,845,704.80 and 30,760,219.20 is: 46,140,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,563,803.20 : 153,845,704.80 = 30,760,219.20 : x
  2. Step 2: Convert to fraction form
    102,563,803.20/153,845,704.80 = 30,760,219.20/x
  3. Step 3: Cross multiply
    102,563,803.20x = 153,845,704.80 × 30,760,219.20
  4. Step 4: Simplify right side
    102,563,803.20x = 4,732,327,602,626,492
  5. Step 5: Solve for x
    x = 4,732,327,602,626,492/102,563,803.20
  6. Step 6: Final answer
    x = 46,140,328.80

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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.