Home / 134,499,541.95-185,603,633.13-74,957,669.76

Finding the Fourth Proportional to 134,499,541.95, 185,603,633.13 and 74,957,669.76

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Solution

The fourth proportional to 134,499,541.95, 185,603,633.13 and 74,957,669.76 is: 103,438,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,499,541.95 : 185,603,633.13 = 74,957,669.76 : x
  2. Step 2: Convert to fraction form
    134,499,541.95/185,603,633.13 = 74,957,669.76/x
  3. Step 3: Cross multiply
    134,499,541.95x = 185,603,633.13 × 74,957,669.76
  4. Step 4: Simplify right side
    134,499,541.95x = 13,912,415,839,391,840
  5. Step 5: Solve for x
    x = 13,912,415,839,391,840/134,499,541.95
  6. Step 6: Final answer
    x = 103,438,388.25

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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.