Home / 312,068,060.94-468,169,176.63-90,743,246.57

Finding the Fourth Proportional to 312,068,060.94, 468,169,176.63 and 90,743,246.57

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Solution

The fourth proportional to 312,068,060.94, 468,169,176.63 and 90,743,246.57 is: 136,134,376.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,068,060.94 : 468,169,176.63 = 90,743,246.57 : x
  2. Step 2: Convert to fraction form
    312,068,060.94/468,169,176.63 = 90,743,246.57/x
  3. Step 3: Cross multiply
    312,068,060.94x = 468,169,176.63 × 90,743,246.57
  4. Step 4: Simplify right side
    312,068,060.94x = 42,483,191,029,069,128
  5. Step 5: Solve for x
    x = 42,483,191,029,069,128/312,068,060.94
  6. Step 6: Final answer
    x = 136,134,376.91

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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.