Home / 156,037,386.85-215,249,955.68-96,479,644.61

Finding the Fourth Proportional to 156,037,386.85, 215,249,955.68 and 96,479,644.61

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Solution

The fourth proportional to 156,037,386.85, 215,249,955.68 and 96,479,644.61 is: 133,091,431.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,037,386.85 : 215,249,955.68 = 96,479,644.61 : x
  2. Step 2: Convert to fraction form
    156,037,386.85/215,249,955.68 = 96,479,644.61/x
  3. Step 3: Cross multiply
    156,037,386.85x = 215,249,955.68 × 96,479,644.61
  4. Step 4: Simplify right side
    156,037,386.85x = 20,767,239,225,350,012
  5. Step 5: Solve for x
    x = 20,767,239,225,350,012/156,037,386.85
  6. Step 6: Final answer
    x = 133,091,431.77

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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.