Home / 130,409,145.40-195,613,718.10-69,942,969.40

Finding the Fourth Proportional to 130,409,145.40, 195,613,718.10 and 69,942,969.40

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Solution

The fourth proportional to 130,409,145.40, 195,613,718.10 and 69,942,969.40 is: 104,914,454.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,409,145.40 : 195,613,718.10 = 69,942,969.40 : x
  2. Step 2: Convert to fraction form
    130,409,145.40/195,613,718.10 = 69,942,969.40/x
  3. Step 3: Cross multiply
    130,409,145.40x = 195,613,718.10 × 69,942,969.40
  4. Step 4: Simplify right side
    130,409,145.40x = 13,681,804,299,288,526
  5. Step 5: Solve for x
    x = 13,681,804,299,288,526/130,409,145.40
  6. Step 6: Final answer
    x = 104,914,454.10

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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.