Home / 130,477,922.40-195,866,182.80-76,655,560.80

Finding the Fourth Proportional to 130,477,922.40, 195,866,182.80 and 76,655,560.80

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Solution

The fourth proportional to 130,477,922.40, 195,866,182.80 and 76,655,560.80 is: 115,071,054.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,477,922.40 : 195,866,182.80 = 76,655,560.80 : x
  2. Step 2: Convert to fraction form
    130,477,922.40/195,866,182.80 = 76,655,560.80/x
  3. Step 3: Cross multiply
    130,477,922.40x = 195,866,182.80 × 76,655,560.80
  4. Step 4: Simplify right side
    130,477,922.40x = 15,014,232,084,289,314
  5. Step 5: Solve for x
    x = 15,014,232,084,289,314/130,477,922.40
  6. Step 6: Final answer
    x = 115,071,054.23

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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.