Home / 90,541,702,867.18-124,943,912,181.63-49,341,207,750.52

Finding the Fourth Proportional to 90,541,702,867.18, 124,943,912,181.63 and 49,341,207,750.52

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Solution

The fourth proportional to 90,541,702,867.18, 124,943,912,181.63 and 49,341,207,750.52 is: 68,088,884,269.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,541,702,867.18 : 124,943,912,181.63 = 49,341,207,750.52 : x
  2. Step 2: Convert to fraction form
    90,541,702,867.18/124,943,912,181.63 = 49,341,207,750.52/x
  3. Step 3: Cross multiply
    90,541,702,867.18x = 124,943,912,181.63 × 49,341,207,750.52
  4. Step 4: Simplify right side
    90,541,702,867.18x = 6,164,883,528,116,532,674,560
  5. Step 5: Solve for x
    x = 6,164,883,528,116,532,674,560/90,541,702,867.18
  6. Step 6: Final answer
    x = 68,088,884,269.83

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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.