Home / 98,381,913.60-147,614,860.80-47,237,606.40

Finding the Fourth Proportional to 98,381,913.60, 147,614,860.80 and 47,237,606.40

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Solution

The fourth proportional to 98,381,913.60, 147,614,860.80 and 47,237,606.40 is: 70,876,571.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,381,913.60 : 147,614,860.80 = 47,237,606.40 : x
  2. Step 2: Convert to fraction form
    98,381,913.60/147,614,860.80 = 47,237,606.40/x
  3. Step 3: Cross multiply
    98,381,913.60x = 147,614,860.80 × 47,237,606.40
  4. Step 4: Simplify right side
    98,381,913.60x = 6,972,972,693,261,189
  5. Step 5: Solve for x
    x = 6,972,972,693,261,189/98,381,913.60
  6. Step 6: Final answer
    x = 70,876,571.09

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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.