Home / 56,897,686.98-78,519,008.07-30,792,196.98

Finding the Fourth Proportional to 56,897,686.98, 78,519,008.07 and 30,792,196.98

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Solution

The fourth proportional to 56,897,686.98, 78,519,008.07 and 30,792,196.98 is: 42,493,340.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,897,686.98 : 78,519,008.07 = 30,792,196.98 : x
  2. Step 2: Convert to fraction form
    56,897,686.98/78,519,008.07 = 30,792,196.98/x
  3. Step 3: Cross multiply
    56,897,686.98x = 78,519,008.07 × 30,792,196.98
  4. Step 4: Simplify right side
    56,897,686.98x = 2,417,772,763,165,649.50
  5. Step 5: Solve for x
    x = 2,417,772,763,165,649.50/56,897,686.98
  6. Step 6: Final answer
    x = 42,493,340.09

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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.