Home / 190,804,579.10-286,206,868.65-130,338,403.10

Finding the Fourth Proportional to 190,804,579.10, 286,206,868.65 and 130,338,403.10

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Solution

The fourth proportional to 190,804,579.10, 286,206,868.65 and 130,338,403.10 is: 195,507,604.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,804,579.10 : 286,206,868.65 = 130,338,403.10 : x
  2. Step 2: Convert to fraction form
    190,804,579.10/286,206,868.65 = 130,338,403.10/x
  3. Step 3: Cross multiply
    190,804,579.10x = 286,206,868.65 × 130,338,403.10
  4. Step 4: Simplify right side
    190,804,579.10x = 37,303,746,216,092,448
  5. Step 5: Solve for x
    x = 37,303,746,216,092,448/190,804,579.10
  6. Step 6: Final answer
    x = 195,507,604.65

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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.