Home / 76,172,970.65-105,150,875.96-51,426,674.62

Finding the Fourth Proportional to 76,172,970.65, 105,150,875.96 and 51,426,674.62

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Solution

The fourth proportional to 76,172,970.65, 105,150,875.96 and 51,426,674.62 is: 70,990,534.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,172,970.65 : 105,150,875.96 = 51,426,674.62 : x
  2. Step 2: Convert to fraction form
    76,172,970.65/105,150,875.96 = 51,426,674.62/x
  3. Step 3: Cross multiply
    76,172,970.65x = 105,150,875.96 × 51,426,674.62
  4. Step 4: Simplify right side
    76,172,970.65x = 5,407,559,883,868,590
  5. Step 5: Solve for x
    x = 5,407,559,883,868,590/76,172,970.65
  6. Step 6: Final answer
    x = 70,990,534.28

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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.