Home / 130,932,368.40-196,398,552.60-79,914,032.40

Finding the Fourth Proportional to 130,932,368.40, 196,398,552.60 and 79,914,032.40

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Solution

The fourth proportional to 130,932,368.40, 196,398,552.60 and 79,914,032.40 is: 119,871,048.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,932,368.40 : 196,398,552.60 = 79,914,032.40 : x
  2. Step 2: Convert to fraction form
    130,932,368.40/196,398,552.60 = 79,914,032.40/x
  3. Step 3: Cross multiply
    130,932,368.40x = 196,398,552.60 × 79,914,032.40
  4. Step 4: Simplify right side
    130,932,368.40x = 15,695,000,295,789,504
  5. Step 5: Solve for x
    x = 15,695,000,295,789,504/130,932,368.40
  6. Step 6: Final answer
    x = 119,871,048.60

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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.