Home / 100,724,812.20-151,087,218.30-70,113,810.60

Finding the Fourth Proportional to 100,724,812.20, 151,087,218.30 and 70,113,810.60

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Solution

The fourth proportional to 100,724,812.20, 151,087,218.30 and 70,113,810.60 is: 105,170,715.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,724,812.20 : 151,087,218.30 = 70,113,810.60 : x
  2. Step 2: Convert to fraction form
    100,724,812.20/151,087,218.30 = 70,113,810.60/x
  3. Step 3: Cross multiply
    100,724,812.20x = 151,087,218.30 × 70,113,810.60
  4. Step 4: Simplify right side
    100,724,812.20x = 10,593,300,607,967,054
  5. Step 5: Solve for x
    x = 10,593,300,607,967,054/100,724,812.20
  6. Step 6: Final answer
    x = 105,170,715.90

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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.