Home / 100,766,332.37-139,053,065.40-56,114,607.60

Finding the Fourth Proportional to 100,766,332.37, 139,053,065.40 and 56,114,607.60

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Solution

The fourth proportional to 100,766,332.37, 139,053,065.40 and 56,114,607.60 is: 77,435,667.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,766,332.37 : 139,053,065.40 = 56,114,607.60 : x
  2. Step 2: Convert to fraction form
    100,766,332.37/139,053,065.40 = 56,114,607.60/x
  3. Step 3: Cross multiply
    100,766,332.37x = 139,053,065.40 × 56,114,607.60
  4. Step 4: Simplify right side
    100,766,332.37x = 7,802,908,200,498,138
  5. Step 5: Solve for x
    x = 7,802,908,200,498,138/100,766,332.37
  6. Step 6: Final answer
    x = 77,435,667.42

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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.