Home / 190,922,742.30-286,384,113.45-69,738,447.90

Finding the Fourth Proportional to 190,922,742.30, 286,384,113.45 and 69,738,447.90

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Solution

The fourth proportional to 190,922,742.30, 286,384,113.45 and 69,738,447.90 is: 104,607,671.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,922,742.30 : 286,384,113.45 = 69,738,447.90 : x
  2. Step 2: Convert to fraction form
    190,922,742.30/286,384,113.45 = 69,738,447.90/x
  3. Step 3: Cross multiply
    190,922,742.30x = 286,384,113.45 × 69,738,447.90
  4. Step 4: Simplify right side
    190,922,742.30x = 19,971,983,575,220,516
  5. Step 5: Solve for x
    x = 19,971,983,575,220,516/190,922,742.30
  6. Step 6: Final answer
    x = 104,607,671.85

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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.