Home / 89,861,329,779.29-124,012,533,215.15-49,763,309,167.79

Finding the Fourth Proportional to 89,861,329,779.29, 124,012,533,215.15 and 49,763,309,167.79

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Solution

The fourth proportional to 89,861,329,779.29, 124,012,533,215.15 and 49,763,309,167.79 is: 68,675,525,348.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,861,329,779.29 : 124,012,533,215.15 = 49,763,309,167.79 : x
  2. Step 2: Convert to fraction form
    89,861,329,779.29/124,012,533,215.15 = 49,763,309,167.79/x
  3. Step 3: Cross multiply
    89,861,329,779.29x = 124,012,533,215.15 × 49,763,309,167.79
  4. Step 4: Simplify right side
    89,861,329,779.29x = 6,171,274,031,065,716,490,240
  5. Step 5: Solve for x
    x = 6,171,274,031,065,716,490,240/89,861,329,779.29
  6. Step 6: Final answer
    x = 68,675,525,348.04

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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.