Home / 66,315,189.08-99,468,120.54-24,808,146.32

Finding the Fourth Proportional to 66,315,189.08, 99,468,120.54 and 24,808,146.32

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Solution

The fourth proportional to 66,315,189.08, 99,468,120.54 and 24,808,146.32 is: 37,210,475.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,315,189.08 : 99,468,120.54 = 24,808,146.32 : x
  2. Step 2: Convert to fraction form
    66,315,189.08/99,468,120.54 = 24,808,146.32/x
  3. Step 3: Cross multiply
    66,315,189.08x = 99,468,120.54 × 24,808,146.32
  4. Step 4: Simplify right side
    66,315,189.08x = 2,467,619,688,531,717.50
  5. Step 5: Solve for x
    x = 2,467,619,688,531,717.50/66,315,189.08
  6. Step 6: Final answer
    x = 37,210,475.05

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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.