Home / 190,804,585.60-286,206,878.40-130,338,409.60

Finding the Fourth Proportional to 190,804,585.60, 286,206,878.40 and 130,338,409.60

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Solution

The fourth proportional to 190,804,585.60, 286,206,878.40 and 130,338,409.60 is: 195,507,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,804,585.60 : 286,206,878.40 = 130,338,409.60 : x
  2. Step 2: Convert to fraction form
    190,804,585.60/286,206,878.40 = 130,338,409.60/x
  3. Step 3: Cross multiply
    190,804,585.60x = 286,206,878.40 × 130,338,409.60
  4. Step 4: Simplify right side
    190,804,585.60x = 37,303,749,347,236,584
  5. Step 5: Solve for x
    x = 37,303,749,347,236,584/190,804,585.60
  6. Step 6: Final answer
    x = 195,507,614.40

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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.