Home / 103,942,484,549.48-143,436,917,344.98-58,831,242,810.32

Finding the Fourth Proportional to 103,942,484,549.48, 143,436,917,344.98 and 58,831,242,810.32

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Solution

The fourth proportional to 103,942,484,549.48, 143,436,917,344.98 and 58,831,242,810.32 is: 81,185,014,470.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,942,484,549.48 : 143,436,917,344.98 = 58,831,242,810.32 : x
  2. Step 2: Convert to fraction form
    103,942,484,549.48/143,436,917,344.98 = 58,831,242,810.32/x
  3. Step 3: Cross multiply
    103,942,484,549.48x = 143,436,917,344.98 × 58,831,242,810.32
  4. Step 4: Simplify right side
    103,942,484,549.48x = 8,438,572,112,286,319,640,576
  5. Step 5: Solve for x
    x = 8,438,572,112,286,319,640,576/103,942,484,549.48
  6. Step 6: Final answer
    x = 81,185,014,470.86

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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.