Home / 112,465,480,299.40-155,206,837,511.76-61,718,239,012.96

Finding the Fourth Proportional to 112,465,480,299.40, 155,206,837,511.76 and 61,718,239,012.96

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Solution

The fourth proportional to 112,465,480,299.40, 155,206,837,511.76 and 61,718,239,012.96 is: 85,173,625,440.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,465,480,299.40 : 155,206,837,511.76 = 61,718,239,012.96 : x
  2. Step 2: Convert to fraction form
    112,465,480,299.40/155,206,837,511.76 = 61,718,239,012.96/x
  3. Step 3: Cross multiply
    112,465,480,299.40x = 155,206,837,511.76 × 61,718,239,012.96
  4. Step 4: Simplify right side
    112,465,480,299.40x = 9,579,092,693,996,449,824,768
  5. Step 5: Solve for x
    x = 9,579,092,693,996,449,824,768/112,465,480,299.40
  6. Step 6: Final answer
    x = 85,173,625,440.41

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1.5x scale

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.