Home / 85,698,147.84-118,280,609.28-50,910,164.16

Finding the Fourth Proportional to 85,698,147.84, 118,280,609.28 and 50,910,164.16

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Solution

The fourth proportional to 85,698,147.84, 118,280,609.28 and 50,910,164.16 is: 70,266,223.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,698,147.84 : 118,280,609.28 = 50,910,164.16 : x
  2. Step 2: Convert to fraction form
    85,698,147.84/118,280,609.28 = 50,910,164.16/x
  3. Step 3: Cross multiply
    85,698,147.84x = 118,280,609.28 × 50,910,164.16
  4. Step 4: Simplify right side
    85,698,147.84x = 6,021,685,235,389,619
  5. Step 5: Solve for x
    x = 6,021,685,235,389,619/85,698,147.84
  6. Step 6: Final answer
    x = 70,266,223.80

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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.