Home / 156,756,777.12-216,325,929.69-86,196,108.96

Finding the Fourth Proportional to 156,756,777.12, 216,325,929.69 and 86,196,108.96

Calculator

Solution

The fourth proportional to 156,756,777.12, 216,325,929.69 and 86,196,108.96 is: 118,951,497.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,756,777.12 : 216,325,929.69 = 86,196,108.96 : x
  2. Step 2: Convert to fraction form
    156,756,777.12/216,325,929.69 = 86,196,108.96/x
  3. Step 3: Cross multiply
    156,756,777.12x = 216,325,929.69 × 86,196,108.96
  4. Step 4: Simplify right side
    156,756,777.12x = 18,646,453,406,432,536
  5. Step 5: Solve for x
    x = 18,646,453,406,432,536/156,756,777.12
  6. Step 6: Final answer
    x = 118,951,497.66

Related Problems

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.