Home / 130,390,856.80-195,609,904.80-65,531,435.20

Finding the Fourth Proportional to 130,390,856.80, 195,609,904.80 and 65,531,435.20

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Solution

The fourth proportional to 130,390,856.80, 195,609,904.80 and 65,531,435.20 is: 98,309,023.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,390,856.80 : 195,609,904.80 = 65,531,435.20 : x
  2. Step 2: Convert to fraction form
    130,390,856.80/195,609,904.80 = 65,531,435.20/x
  3. Step 3: Cross multiply
    130,390,856.80x = 195,609,904.80 × 65,531,435.20
  4. Step 4: Simplify right side
    130,390,856.80x = 12,818,597,800,879,370
  5. Step 5: Solve for x
    x = 12,818,597,800,879,370/130,390,856.80
  6. Step 6: Final answer
    x = 98,309,023.47

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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.