Home / 69,081,146.08-103,745,225.04-66,303,913.84

Finding the Fourth Proportional to 69,081,146.08, 103,745,225.04 and 66,303,913.84

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Solution

The fourth proportional to 69,081,146.08, 103,745,225.04 and 66,303,913.84 is: 99,574,411.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,081,146.08 : 103,745,225.04 = 66,303,913.84 : x
  2. Step 2: Convert to fraction form
    69,081,146.08/103,745,225.04 = 66,303,913.84/x
  3. Step 3: Cross multiply
    69,081,146.08x = 103,745,225.04 × 66,303,913.84
  4. Step 4: Simplify right side
    69,081,146.08x = 6,878,714,462,363,571
  5. Step 5: Solve for x
    x = 6,878,714,462,363,571/69,081,146.08
  6. Step 6: Final answer
    x = 99,574,411.44

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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.