Home / 81,693,927,826.80-122,289,559,259.94-53,302,726,262.40

Finding the Fourth Proportional to 81,693,927,826.80, 122,289,559,259.94 and 53,302,726,262.40

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Solution

The fourth proportional to 81,693,927,826.80, 122,289,559,259.94 and 53,302,726,262.40 is: 79,790,102,831.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,693,927,826.80 : 122,289,559,259.94 = 53,302,726,262.40 : x
  2. Step 2: Convert to fraction form
    81,693,927,826.80/122,289,559,259.94 = 53,302,726,262.40/x
  3. Step 3: Cross multiply
    81,693,927,826.80x = 122,289,559,259.94 × 53,302,726,262.40
  4. Step 4: Simplify right side
    81,693,927,826.80x = 6,518,366,901,982,125,359,104
  5. Step 5: Solve for x
    x = 6,518,366,901,982,125,359,104/81,693,927,826.80
  6. Step 6: Final answer
    x = 79,790,102,831.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.