Home / 104,803,542.40-157,056,014.40-77,295,164.80

Finding the Fourth Proportional to 104,803,542.40, 157,056,014.40 and 77,295,164.80

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Solution

The fourth proportional to 104,803,542.40, 157,056,014.40 and 77,295,164.80 is: 115,832,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,803,542.40 : 157,056,014.40 = 77,295,164.80 : x
  2. Step 2: Convert to fraction form
    104,803,542.40/157,056,014.40 = 77,295,164.80/x
  3. Step 3: Cross multiply
    104,803,542.40x = 157,056,014.40 × 77,295,164.80
  4. Step 4: Simplify right side
    104,803,542.40x = 12,139,670,515,879,174
  5. Step 5: Solve for x
    x = 12,139,670,515,879,174/104,803,542.40
  6. Step 6: Final answer
    x = 115,832,635.40

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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.