Home / 190,636,546.08-286,051,396.80-86,994,265.92

Finding the Fourth Proportional to 190,636,546.08, 286,051,396.80 and 86,994,265.92

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Solution

The fourth proportional to 190,636,546.08, 286,051,396.80 and 86,994,265.92 is: 130,535,470.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,636,546.08 : 286,051,396.80 = 86,994,265.92 : x
  2. Step 2: Convert to fraction form
    190,636,546.08/286,051,396.80 = 86,994,265.92/x
  3. Step 3: Cross multiply
    190,636,546.08x = 286,051,396.80 × 86,994,265.92
  4. Step 4: Simplify right side
    190,636,546.08x = 24,884,831,280,006,640
  5. Step 5: Solve for x
    x = 24,884,831,280,006,640/190,636,546.08
  6. Step 6: Final answer
    x = 130,535,470.73

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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.