Home / 75,014,416.80-112,437,644.40-42,681,808.80

Finding the Fourth Proportional to 75,014,416.80, 112,437,644.40 and 42,681,808.80

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Solution

The fourth proportional to 75,014,416.80, 112,437,644.40 and 42,681,808.80 is: 63,974,929.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,014,416.80 : 112,437,644.40 = 42,681,808.80 : x
  2. Step 2: Convert to fraction form
    75,014,416.80/112,437,644.40 = 42,681,808.80/x
  3. Step 3: Cross multiply
    75,014,416.80x = 112,437,644.40 × 42,681,808.80
  4. Step 4: Simplify right side
    75,014,416.80x = 4,799,042,040,203,191
  5. Step 5: Solve for x
    x = 4,799,042,040,203,191/75,014,416.80
  6. Step 6: Final answer
    x = 63,974,929.69

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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.