Home / 312,178,914.02-468,297,155.68-102,090,689.67

Finding the Fourth Proportional to 312,178,914.02, 468,297,155.68 and 102,090,689.67

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Solution

The fourth proportional to 312,178,914.02, 468,297,155.68 and 102,090,689.67 is: 153,145,447.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    312,178,914.02 : 468,297,155.68 = 102,090,689.67 : x
  2. Step 2: Convert to fraction form
    312,178,914.02/468,297,155.68 = 102,090,689.67/x
  3. Step 3: Cross multiply
    312,178,914.02x = 468,297,155.68 × 102,090,689.67
  4. Step 4: Simplify right side
    312,178,914.02x = 47,808,779,593,870,560
  5. Step 5: Solve for x
    x = 47,808,779,593,870,560/312,178,914.02
  6. Step 6: Final answer
    x = 153,145,447.84

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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.