Home / 130,859,931.74-180,593,807.51-75,104,906.39

Finding the Fourth Proportional to 130,859,931.74, 180,593,807.51 and 75,104,906.39

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Solution

The fourth proportional to 130,859,931.74, 180,593,807.51 and 75,104,906.39 is: 103,648,846.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,859,931.74 : 180,593,807.51 = 75,104,906.39 : x
  2. Step 2: Convert to fraction form
    130,859,931.74/180,593,807.51 = 75,104,906.39/x
  3. Step 3: Cross multiply
    130,859,931.74x = 180,593,807.51 × 75,104,906.39
  4. Step 4: Simplify right side
    130,859,931.74x = 13,563,481,007,652,228
  5. Step 5: Solve for x
    x = 13,563,481,007,652,228/130,859,931.74
  6. Step 6: Final answer
    x = 103,648,846.73

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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.