Home / 100,985,844,641.76-139,362,095,999.52-55,264,092,781.68

Finding the Fourth Proportional to 100,985,844,641.76, 139,362,095,999.52 and 55,264,092,781.68

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Solution

The fourth proportional to 100,985,844,641.76, 139,362,095,999.52 and 55,264,092,781.68 is: 76,265,340,265.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,985,844,641.76 : 139,362,095,999.52 = 55,264,092,781.68 : x
  2. Step 2: Convert to fraction form
    100,985,844,641.76/139,362,095,999.52 = 55,264,092,781.68/x
  3. Step 3: Cross multiply
    100,985,844,641.76x = 139,362,095,999.52 × 55,264,092,781.68
  4. Step 4: Simplify right side
    100,985,844,641.76x = 7,701,719,803,566,868,135,936
  5. Step 5: Solve for x
    x = 7,701,719,803,566,868,135,936/100,985,844,641.76
  6. Step 6: Final answer
    x = 76,265,340,265.14

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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.