Home / 77,762,953.60-116,644,430.40-43,750,729.60

Finding the Fourth Proportional to 77,762,953.60, 116,644,430.40 and 43,750,729.60

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Solution

The fourth proportional to 77,762,953.60, 116,644,430.40 and 43,750,729.60 is: 65,626,094.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,762,953.60 : 116,644,430.40 = 43,750,729.60 : x
  2. Step 2: Convert to fraction form
    77,762,953.60/116,644,430.40 = 43,750,729.60/x
  3. Step 3: Cross multiply
    77,762,953.60x = 116,644,430.40 × 43,750,729.60
  4. Step 4: Simplify right side
    77,762,953.60x = 5,103,278,933,776,420
  5. Step 5: Solve for x
    x = 5,103,278,933,776,420/77,762,953.60
  6. Step 6: Final answer
    x = 65,626,094.40

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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.