Home / 117,127,709,818.24-161,624,945,169.08-65,688,357,947.48

Finding the Fourth Proportional to 117,127,709,818.24, 161,624,945,169.08 and 65,688,357,947.48

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Solution

The fourth proportional to 117,127,709,818.24, 161,624,945,169.08 and 65,688,357,947.48 is: 90,643,599,776.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,127,709,818.24 : 161,624,945,169.08 = 65,688,357,947.48 : x
  2. Step 2: Convert to fraction form
    117,127,709,818.24/161,624,945,169.08 = 65,688,357,947.48/x
  3. Step 3: Cross multiply
    117,127,709,818.24x = 161,624,945,169.08 × 65,688,357,947.48
  4. Step 4: Simplify right side
    117,127,709,818.24x = 10,616,877,251,508,354,154,496
  5. Step 5: Solve for x
    x = 10,616,877,251,508,354,154,496/117,127,709,818.24
  6. Step 6: Final answer
    x = 90,643,599,776.55

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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.