Home / 85,588,269.63-118,050,923.84-78,546,602.07

Finding the Fourth Proportional to 85,588,269.63, 118,050,923.84 and 78,546,602.07

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Solution

The fourth proportional to 85,588,269.63, 118,050,923.84 and 78,546,602.07 is: 108,338,432.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,588,269.63 : 118,050,923.84 = 78,546,602.07 : x
  2. Step 2: Convert to fraction form
    85,588,269.63/118,050,923.84 = 78,546,602.07/x
  3. Step 3: Cross multiply
    85,588,269.63x = 118,050,923.84 × 78,546,602.07
  4. Step 4: Simplify right side
    85,588,269.63x = 9,272,498,938,738,108
  5. Step 5: Solve for x
    x = 9,272,498,938,738,108/85,588,269.63
  6. Step 6: Final answer
    x = 108,338,432.11

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1.5x scale

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.