Home / 148,359,390.42-204,708,887.81-85,612,597.46

Finding the Fourth Proportional to 148,359,390.42, 204,708,887.81 and 85,612,597.46

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Solution

The fourth proportional to 148,359,390.42, 204,708,887.81 and 85,612,597.46 is: 118,129,762.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,359,390.42 : 204,708,887.81 = 85,612,597.46 : x
  2. Step 2: Convert to fraction form
    148,359,390.42/204,708,887.81 = 85,612,597.46/x
  3. Step 3: Cross multiply
    148,359,390.42x = 204,708,887.81 × 85,612,597.46
  4. Step 4: Simplify right side
    148,359,390.42x = 17,525,659,607,752,318
  5. Step 5: Solve for x
    x = 17,525,659,607,752,318/148,359,390.42
  6. Step 6: Final answer
    x = 118,129,762.86

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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.