Home / 219,541,320.70-329,311,981.05-57,983,256.70

Finding the Fourth Proportional to 219,541,320.70, 329,311,981.05 and 57,983,256.70

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Solution

The fourth proportional to 219,541,320.70, 329,311,981.05 and 57,983,256.70 is: 86,974,885.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,541,320.70 : 329,311,981.05 = 57,983,256.70 : x
  2. Step 2: Convert to fraction form
    219,541,320.70/329,311,981.05 = 57,983,256.70/x
  3. Step 3: Cross multiply
    219,541,320.70x = 329,311,981.05 × 57,983,256.70
  4. Step 4: Simplify right side
    219,541,320.70x = 19,094,581,131,607,688
  5. Step 5: Solve for x
    x = 19,094,581,131,607,688/219,541,320.70
  6. Step 6: Final answer
    x = 86,974,885.05

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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.