Home / 156,037,389-215,249,958.66-96,479,646.75

Finding the Fourth Proportional to 156,037,389, 215,249,958.66 and 96,479,646.75

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Solution

The fourth proportional to 156,037,389, 215,249,958.66 and 96,479,646.75 is: 133,091,434.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,037,389 : 215,249,958.66 = 96,479,646.75 : x
  2. Step 2: Convert to fraction form
    156,037,389/215,249,958.66 = 96,479,646.75/x
  3. Step 3: Cross multiply
    156,037,389x = 215,249,958.66 × 96,479,646.75
  4. Step 4: Simplify right side
    156,037,389x = 20,767,239,974,468,904
  5. Step 5: Solve for x
    x = 20,767,239,974,468,904/156,037,389
  6. Step 6: Final answer
    x = 133,091,434.74

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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.