Home / 86,194,953.60-129,292,430.40-53,883,340.80

Finding the Fourth Proportional to 86,194,953.60, 129,292,430.40 and 53,883,340.80

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Solution

The fourth proportional to 86,194,953.60, 129,292,430.40 and 53,883,340.80 is: 80,825,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,194,953.60 : 129,292,430.40 = 53,883,340.80 : x
  2. Step 2: Convert to fraction form
    86,194,953.60/129,292,430.40 = 53,883,340.80/x
  3. Step 3: Cross multiply
    86,194,953.60x = 129,292,430.40 × 53,883,340.80
  4. Step 4: Simplify right side
    86,194,953.60x = 6,966,708,090,103,480
  5. Step 5: Solve for x
    x = 6,966,708,090,103,480/86,194,953.60
  6. Step 6: Final answer
    x = 80,825,011.20

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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.