Home / 85,905,765-118,549,975.14-47,274,597

Finding the Fourth Proportional to 85,905,765, 118,549,975.14 and 47,274,597

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Solution

The fourth proportional to 85,905,765, 118,549,975.14 and 47,274,597 is: 65,238,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,905,765 : 118,549,975.14 = 47,274,597 : x
  2. Step 2: Convert to fraction form
    85,905,765/118,549,975.14 = 47,274,597/x
  3. Step 3: Cross multiply
    85,905,765x = 118,549,975.14 × 47,274,597
  4. Step 4: Simplify right side
    85,905,765x = 5,604,402,299,103,519
  5. Step 5: Solve for x
    x = 5,604,402,299,103,519/85,905,765
  6. Step 6: Final answer
    x = 65,238,954.56

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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.