Home / 102,221,002.40-153,255,874.80-48,305,328.80

Finding the Fourth Proportional to 102,221,002.40, 153,255,874.80 and 48,305,328.80

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Solution

The fourth proportional to 102,221,002.40, 153,255,874.80 and 48,305,328.80 is: 72,422,254.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,221,002.40 : 153,255,874.80 = 48,305,328.80 : x
  2. Step 2: Convert to fraction form
    102,221,002.40/153,255,874.80 = 48,305,328.80/x
  3. Step 3: Cross multiply
    102,221,002.40x = 153,255,874.80 × 48,305,328.80
  4. Step 4: Simplify right side
    102,221,002.40x = 7,403,075,422,745,634
  5. Step 5: Solve for x
    x = 7,403,075,422,745,634/102,221,002.40
  6. Step 6: Final answer
    x = 72,422,254.22

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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.