Home / 75,820,772.16-104,632,012.98-42,781,267.44

Finding the Fourth Proportional to 75,820,772.16, 104,632,012.98 and 42,781,267.44

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Solution

The fourth proportional to 75,820,772.16, 104,632,012.98 and 42,781,267.44 is: 59,037,780.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,820,772.16 : 104,632,012.98 = 42,781,267.44 : x
  2. Step 2: Convert to fraction form
    75,820,772.16/104,632,012.98 = 42,781,267.44/x
  3. Step 3: Cross multiply
    75,820,772.16x = 104,632,012.98 × 42,781,267.44
  4. Step 4: Simplify right side
    75,820,772.16x = 4,476,290,130,082,931.50
  5. Step 5: Solve for x
    x = 4,476,290,130,082,931.50/75,820,772.16
  6. Step 6: Final answer
    x = 59,037,780.84

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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.