Home / 156,037,388.53-215,249,958-96,479,646.29

Finding the Fourth Proportional to 156,037,388.53, 215,249,958 and 96,479,646.29

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Solution

The fourth proportional to 156,037,388.53, 215,249,958 and 96,479,646.29 is: 133,091,434.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,037,388.53 : 215,249,958 = 96,479,646.29 : x
  2. Step 2: Convert to fraction form
    156,037,388.53/215,249,958 = 96,479,646.29/x
  3. Step 3: Cross multiply
    156,037,388.53x = 215,249,958 × 96,479,646.29
  4. Step 4: Simplify right side
    156,037,388.53x = 20,767,239,811,777,356
  5. Step 5: Solve for x
    x = 20,767,239,811,777,356/156,037,388.53
  6. Step 6: Final answer
    x = 133,091,434.09

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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.