Home / 65,455,288.36-90,308,278.02-37,947,725.80

Finding the Fourth Proportional to 65,455,288.36, 90,308,278.02 and 37,947,725.80

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Solution

The fourth proportional to 65,455,288.36, 90,308,278.02 and 37,947,725.80 is: 52,356,255.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,455,288.36 : 90,308,278.02 = 37,947,725.80 : x
  2. Step 2: Convert to fraction form
    65,455,288.36/90,308,278.02 = 37,947,725.80/x
  3. Step 3: Cross multiply
    65,455,288.36x = 90,308,278.02 × 37,947,725.80
  4. Step 4: Simplify right side
    65,455,288.36x = 3,426,993,771,773,126.50
  5. Step 5: Solve for x
    x = 3,426,993,771,773,126.50/65,455,288.36
  6. Step 6: Final answer
    x = 52,356,255.05

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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.