Home / 134,791,994,709.10-186,018,799,878.07-74,644,963,791.76

Finding the Fourth Proportional to 134,791,994,709.10, 186,018,799,878.07 and 74,644,963,791.76

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Solution

The fourth proportional to 134,791,994,709.10, 186,018,799,878.07 and 74,644,963,791.76 is: 103,013,288,077.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,791,994,709.10 : 186,018,799,878.07 = 74,644,963,791.76 : x
  2. Step 2: Convert to fraction form
    134,791,994,709.10/186,018,799,878.07 = 74,644,963,791.76/x
  3. Step 3: Cross multiply
    134,791,994,709.10x = 186,018,799,878.07 × 74,644,963,791.76
  4. Step 4: Simplify right side
    134,791,994,709.10x = 13,885,366,581,485,184,745,472
  5. Step 5: Solve for x
    x = 13,885,366,581,485,184,745,472/134,791,994,709.10
  6. Step 6: Final answer
    x = 103,013,288,077.32

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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.