Home / 89,849,794.90-134,774,692.35-86,322,601.30

Finding the Fourth Proportional to 89,849,794.90, 134,774,692.35 and 86,322,601.30

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Solution

The fourth proportional to 89,849,794.90, 134,774,692.35 and 86,322,601.30 is: 129,483,901.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,849,794.90 : 134,774,692.35 = 86,322,601.30 : x
  2. Step 2: Convert to fraction form
    89,849,794.90/134,774,692.35 = 86,322,601.30/x
  3. Step 3: Cross multiply
    89,849,794.90x = 134,774,692.35 × 86,322,601.30
  4. Step 4: Simplify right side
    89,849,794.90x = 11,634,102,033,059,210
  5. Step 5: Solve for x
    x = 11,634,102,033,059,210/89,849,794.90
  6. Step 6: Final answer
    x = 129,483,901.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.