Home / 70,626,456.60-105,883,697.70-38,713,752.60

Finding the Fourth Proportional to 70,626,456.60, 105,883,697.70 and 38,713,752.60

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Solution

The fourth proportional to 70,626,456.60, 105,883,697.70 and 38,713,752.60 is: 58,039,939.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,626,456.60 : 105,883,697.70 = 38,713,752.60 : x
  2. Step 2: Convert to fraction form
    70,626,456.60/105,883,697.70 = 38,713,752.60/x
  3. Step 3: Cross multiply
    70,626,456.60x = 105,883,697.70 × 38,713,752.60
  4. Step 4: Simplify right side
    70,626,456.60x = 4,099,155,277,130,989.50
  5. Step 5: Solve for x
    x = 4,099,155,277,130,989.50/70,626,456.60
  6. Step 6: Final answer
    x = 58,039,939.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.