Home / 74,887,220.40-112,330,830.60-61,282,330.80

Finding the Fourth Proportional to 74,887,220.40, 112,330,830.60 and 61,282,330.80

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Solution

The fourth proportional to 74,887,220.40, 112,330,830.60 and 61,282,330.80 is: 91,923,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,887,220.40 : 112,330,830.60 = 61,282,330.80 : x
  2. Step 2: Convert to fraction form
    74,887,220.40/112,330,830.60 = 61,282,330.80/x
  3. Step 3: Cross multiply
    74,887,220.40x = 112,330,830.60 × 61,282,330.80
  4. Step 4: Simplify right side
    74,887,220.40x = 6,883,895,119,867,962
  5. Step 5: Solve for x
    x = 6,883,895,119,867,962/74,887,220.40
  6. Step 6: Final answer
    x = 91,923,496.20

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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.