Home / 93,119,109.88-128,504,411.94-53,983,575.40

Finding the Fourth Proportional to 93,119,109.88, 128,504,411.94 and 53,983,575.40

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Solution

The fourth proportional to 93,119,109.88, 128,504,411.94 and 53,983,575.40 is: 74,497,357.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,119,109.88 : 128,504,411.94 = 53,983,575.40 : x
  2. Step 2: Convert to fraction form
    93,119,109.88/128,504,411.94 = 53,983,575.40/x
  3. Step 3: Cross multiply
    93,119,109.88x = 128,504,411.94 × 53,983,575.40
  4. Step 4: Simplify right side
    93,119,109.88x = 6,937,127,611,195,650
  5. Step 5: Solve for x
    x = 6,937,127,611,195,650/93,119,109.88
  6. Step 6: Final answer
    x = 74,497,357.42

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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.