Home / 77,463,214.95-106,899,977.43-42,657,139.11

Finding the Fourth Proportional to 77,463,214.95, 106,899,977.43 and 42,657,139.11

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Solution

The fourth proportional to 77,463,214.95, 106,899,977.43 and 42,657,139.11 is: 58,867,259.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,463,214.95 : 106,899,977.43 = 42,657,139.11 : x
  2. Step 2: Convert to fraction form
    77,463,214.95/106,899,977.43 = 42,657,139.11/x
  3. Step 3: Cross multiply
    77,463,214.95x = 106,899,977.43 × 42,657,139.11
  4. Step 4: Simplify right side
    77,463,214.95x = 4,560,047,208,087,371
  5. Step 5: Solve for x
    x = 4,560,047,208,087,371/77,463,214.95
  6. Step 6: Final answer
    x = 58,867,259.91

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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.