Home / 90,541,702,896.79-124,943,912,222.11-49,341,207,780

Finding the Fourth Proportional to 90,541,702,896.79, 124,943,912,222.11 and 49,341,207,780

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Solution

The fourth proportional to 90,541,702,896.79, 124,943,912,222.11 and 49,341,207,780 is: 68,088,884,310.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,541,702,896.79 : 124,943,912,222.11 = 49,341,207,780 : x
  2. Step 2: Convert to fraction form
    90,541,702,896.79/124,943,912,222.11 = 49,341,207,780/x
  3. Step 3: Cross multiply
    90,541,702,896.79x = 124,943,912,222.11 × 49,341,207,780
  4. Step 4: Simplify right side
    90,541,702,896.79x = 6,164,883,533,797,210,980,352
  5. Step 5: Solve for x
    x = 6,164,883,533,797,210,980,352/90,541,702,896.79
  6. Step 6: Final answer
    x = 68,088,884,310.30

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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.