Home / 155,341,108,182.46-212,813,779,140.79-149,533,153,636.72

Finding the Fourth Proportional to 155,341,108,182.46, 212,813,779,140.79 and 149,533,153,636.72

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Solution

The fourth proportional to 155,341,108,182.46, 212,813,779,140.79 and 149,533,153,636.72 is: 204,857,013,733.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,341,108,182.46 : 212,813,779,140.79 = 149,533,153,636.72 : x
  2. Step 2: Convert to fraction form
    155,341,108,182.46/212,813,779,140.79 = 149,533,153,636.72/x
  3. Step 3: Cross multiply
    155,341,108,182.46x = 212,813,779,140.79 × 149,533,153,636.72
  4. Step 4: Simplify right side
    155,341,108,182.46x = 31,822,715,532,270,752,497,664
  5. Step 5: Solve for x
    x = 31,822,715,532,270,752,497,664/155,341,108,182.46
  6. Step 6: Final answer
    x = 204,857,013,733.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.