Home / 104,976,005.20-157,464,007.80-83,293,212.40

Finding the Fourth Proportional to 104,976,005.20, 157,464,007.80 and 83,293,212.40

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Solution

The fourth proportional to 104,976,005.20, 157,464,007.80 and 83,293,212.40 is: 124,939,818.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976,005.20 : 157,464,007.80 = 83,293,212.40 : x
  2. Step 2: Convert to fraction form
    104,976,005.20/157,464,007.80 = 83,293,212.40/x
  3. Step 3: Cross multiply
    104,976,005.20x = 157,464,007.80 × 83,293,212.40
  4. Step 4: Simplify right side
    104,976,005.20x = 13,115,683,047,040,658
  5. Step 5: Solve for x
    x = 13,115,683,047,040,658/104,976,005.20
  6. Step 6: Final answer
    x = 124,939,818.60

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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.