Home / 190,653,602.90-286,006,976.40-81,477,906.80

Finding the Fourth Proportional to 190,653,602.90, 286,006,976.40 and 81,477,906.80

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Solution

The fourth proportional to 190,653,602.90, 286,006,976.40 and 81,477,906.80 is: 122,228,216.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,653,602.90 : 286,006,976.40 = 81,477,906.80 : x
  2. Step 2: Convert to fraction form
    190,653,602.90/286,006,976.40 = 81,477,906.80/x
  3. Step 3: Cross multiply
    190,653,602.90x = 286,006,976.40 × 81,477,906.80
  4. Step 4: Simplify right side
    190,653,602.90x = 23,303,249,767,268,996
  5. Step 5: Solve for x
    x = 23,303,249,767,268,996/190,653,602.90
  6. Step 6: Final answer
    x = 122,228,216.06

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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.