Home / 190,804,570.10-286,206,855.15-130,338,394.10

Finding the Fourth Proportional to 190,804,570.10, 286,206,855.15 and 130,338,394.10

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Solution

The fourth proportional to 190,804,570.10, 286,206,855.15 and 130,338,394.10 is: 195,507,591.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,804,570.10 : 286,206,855.15 = 130,338,394.10 : x
  2. Step 2: Convert to fraction form
    190,804,570.10/286,206,855.15 = 130,338,394.10/x
  3. Step 3: Cross multiply
    190,804,570.10x = 286,206,855.15 × 130,338,394.10
  4. Step 4: Simplify right side
    190,804,570.10x = 37,303,741,880,662,312
  5. Step 5: Solve for x
    x = 37,303,741,880,662,312/190,804,570.10
  6. Step 6: Final answer
    x = 195,507,591.15

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1.5x scale

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.