Home / 178,186,256,075.92-245,903,498,660.52-102,077,379,567.76

Finding the Fourth Proportional to 178,186,256,075.92, 245,903,498,660.52 and 102,077,379,567.76

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Solution

The fourth proportional to 178,186,256,075.92, 245,903,498,660.52 and 102,077,379,567.76 is: 140,870,487,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,186,256,075.92 : 245,903,498,660.52 = 102,077,379,567.76 : x
  2. Step 2: Convert to fraction form
    178,186,256,075.92/245,903,498,660.52 = 102,077,379,567.76/x
  3. Step 3: Cross multiply
    178,186,256,075.92x = 245,903,498,660.52 × 102,077,379,567.76
  4. Step 4: Simplify right side
    178,186,256,075.92x = 25,101,184,769,810,061,328,384
  5. Step 5: Solve for x
    x = 25,101,184,769,810,061,328,384/178,186,256,075.92
  6. Step 6: Final answer
    x = 140,870,487,559.46

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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.