Home / 87,202,902,315.94-130,804,353,326.29-20,953,998,696.94

Finding the Fourth Proportional to 87,202,902,315.94, 130,804,353,326.29 and 20,953,998,696.94

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Solution

The fourth proportional to 87,202,902,315.94, 130,804,353,326.29 and 20,953,998,696.94 is: 31,430,998,009.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,202,902,315.94 : 130,804,353,326.29 = 20,953,998,696.94 : x
  2. Step 2: Convert to fraction form
    87,202,902,315.94/130,804,353,326.29 = 20,953,998,696.94/x
  3. Step 3: Cross multiply
    87,202,902,315.94x = 130,804,353,326.29 × 20,953,998,696.94
  4. Step 4: Simplify right side
    87,202,902,315.94x = 2,740,874,249,152,898,269,184
  5. Step 5: Solve for x
    x = 2,740,874,249,152,898,269,184/87,202,902,315.94
  6. Step 6: Final answer
    x = 31,430,998,009.94

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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.