Home / 89,849,486.90-134,774,230.35-86,322,293.30

Finding the Fourth Proportional to 89,849,486.90, 134,774,230.35 and 86,322,293.30

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Solution

The fourth proportional to 89,849,486.90, 134,774,230.35 and 86,322,293.30 is: 129,483,439.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,849,486.90 : 134,774,230.35 = 86,322,293.30 : x
  2. Step 2: Convert to fraction form
    89,849,486.90/134,774,230.35 = 86,322,293.30/x
  3. Step 3: Cross multiply
    89,849,486.90x = 134,774,230.35 × 86,322,293.30
  4. Step 4: Simplify right side
    89,849,486.90x = 11,634,020,641,554,460
  5. Step 5: Solve for x
    x = 11,634,020,641,554,460/89,849,486.90
  6. Step 6: Final answer
    x = 129,483,439.95

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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.