Home / 130,942,875-196,447,675.20-38,829,977.94

Finding the Fourth Proportional to 130,942,875, 196,447,675.20 and 38,829,977.94

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Solution

The fourth proportional to 130,942,875, 196,447,675.20 and 38,829,977.94 is: 58,254,860.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,942,875 : 196,447,675.20 = 38,829,977.94 : x
  2. Step 2: Convert to fraction form
    130,942,875/196,447,675.20 = 38,829,977.94/x
  3. Step 3: Cross multiply
    130,942,875x = 196,447,675.20 × 38,829,977.94
  4. Step 4: Simplify right side
    130,942,875x = 7,628,058,894,380,284
  5. Step 5: Solve for x
    x = 7,628,058,894,380,284/130,942,875
  6. Step 6: Final answer
    x = 58,254,860.33

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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.