Home / 105,143,731,058.94-145,098,476,406.54-56,971,737,032.64

Finding the Fourth Proportional to 105,143,731,058.94, 145,098,476,406.54 and 56,971,737,032.64

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Solution

The fourth proportional to 105,143,731,058.94, 145,098,476,406.54 and 56,971,737,032.64 is: 78,621,066,214.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,143,731,058.94 : 145,098,476,406.54 = 56,971,737,032.64 : x
  2. Step 2: Convert to fraction form
    105,143,731,058.94/145,098,476,406.54 = 56,971,737,032.64/x
  3. Step 3: Cross multiply
    105,143,731,058.94x = 145,098,476,406.54 × 56,971,737,032.64
  4. Step 4: Simplify right side
    105,143,731,058.94x = 8,266,512,241,670,116,868,096
  5. Step 5: Solve for x
    x = 8,266,512,241,670,116,868,096/105,143,731,058.94
  6. Step 6: Final answer
    x = 78,621,066,214.93

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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.