Home / 105,145,031.04-145,099,783.89-58,100,794.12

Finding the Fourth Proportional to 105,145,031.04, 145,099,783.89 and 58,100,794.12

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Solution

The fourth proportional to 105,145,031.04, 145,099,783.89 and 58,100,794.12 is: 80,178,897.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,145,031.04 : 145,099,783.89 = 58,100,794.12 : x
  2. Step 2: Convert to fraction form
    105,145,031.04/145,099,783.89 = 58,100,794.12/x
  3. Step 3: Cross multiply
    105,145,031.04x = 145,099,783.89 × 58,100,794.12
  4. Step 4: Simplify right side
    105,145,031.04x = 8,430,412,670,649,382
  5. Step 5: Solve for x
    x = 8,430,412,670,649,382/105,145,031.04
  6. Step 6: Final answer
    x = 80,178,897.54

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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.