Home / 236,433,929.81-354,531,828.96-78,811,137.20

Finding the Fourth Proportional to 236,433,929.81, 354,531,828.96 and 78,811,137.20

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Solution

The fourth proportional to 236,433,929.81, 354,531,828.96 and 78,811,137.20 is: 118,177,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,433,929.81 : 354,531,828.96 = 78,811,137.20 : x
  2. Step 2: Convert to fraction form
    236,433,929.81/354,531,828.96 = 78,811,137.20/x
  3. Step 3: Cross multiply
    236,433,929.81x = 354,531,828.96 × 78,811,137.20
  4. Step 4: Simplify right side
    236,433,929.81x = 27,941,056,614,819,820
  5. Step 5: Solve for x
    x = 27,941,056,614,819,820/236,433,929.81
  6. Step 6: Final answer
    x = 118,177,017.31

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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.