Home / 76,497,081.23-105,569,715.08-43,017,097.91

Finding the Fourth Proportional to 76,497,081.23, 105,569,715.08 and 43,017,097.91

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Solution

The fourth proportional to 76,497,081.23, 105,569,715.08 and 43,017,097.91 is: 59,365,699.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,497,081.23 : 105,569,715.08 = 43,017,097.91 : x
  2. Step 2: Convert to fraction form
    76,497,081.23/105,569,715.08 = 43,017,097.91/x
  3. Step 3: Cross multiply
    76,497,081.23x = 105,569,715.08 × 43,017,097.91
  4. Step 4: Simplify right side
    76,497,081.23x = 4,541,302,769,506,858
  5. Step 5: Solve for x
    x = 4,541,302,769,506,858/76,497,081.23
  6. Step 6: Final answer
    x = 59,365,699.92

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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.