Home / 93,030,108.96-128,379,284.46-51,213,834.66

Finding the Fourth Proportional to 93,030,108.96, 128,379,284.46 and 51,213,834.66

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Solution

The fourth proportional to 93,030,108.96, 128,379,284.46 and 51,213,834.66 is: 70,673,844.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,030,108.96 : 128,379,284.46 = 51,213,834.66 : x
  2. Step 2: Convert to fraction form
    93,030,108.96/128,379,284.46 = 51,213,834.66/x
  3. Step 3: Cross multiply
    93,030,108.96x = 128,379,284.46 × 51,213,834.66
  4. Step 4: Simplify right side
    93,030,108.96x = 6,574,795,448,103,547
  5. Step 5: Solve for x
    x = 6,574,795,448,103,547/93,030,108.96
  6. Step 6: Final answer
    x = 70,673,844.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.