Home / 188,243,411.60-282,365,117.40-86,206,739.60

Finding the Fourth Proportional to 188,243,411.60, 282,365,117.40 and 86,206,739.60

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Solution

The fourth proportional to 188,243,411.60, 282,365,117.40 and 86,206,739.60 is: 129,310,109.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,243,411.60 : 282,365,117.40 = 86,206,739.60 : x
  2. Step 2: Convert to fraction form
    188,243,411.60/282,365,117.40 = 86,206,739.60/x
  3. Step 3: Cross multiply
    188,243,411.60x = 282,365,117.40 × 86,206,739.60
  4. Step 4: Simplify right side
    188,243,411.60x = 24,341,776,147,825,224
  5. Step 5: Solve for x
    x = 24,341,776,147,825,224/188,243,411.60
  6. Step 6: Final answer
    x = 129,310,109.40

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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.