Home / 134,971,675.37-186,208,178.33-78,447,029.24

Finding the Fourth Proportional to 134,971,675.37, 186,208,178.33 and 78,447,029.24

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Solution

The fourth proportional to 134,971,675.37, 186,208,178.33 and 78,447,029.24 is: 108,226,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,971,675.37 : 186,208,178.33 = 78,447,029.24 : x
  2. Step 2: Convert to fraction form
    134,971,675.37/186,208,178.33 = 78,447,029.24/x
  3. Step 3: Cross multiply
    134,971,675.37x = 186,208,178.33 × 78,447,029.24
  4. Step 4: Simplify right side
    134,971,675.37x = 14,607,478,408,857,368
  5. Step 5: Solve for x
    x = 14,607,478,408,857,368/134,971,675.37
  6. Step 6: Final answer
    x = 108,226,250.95

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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.