Home / 67,157,015.59-100,724,254.93-18,639,798.67

Finding the Fourth Proportional to 67,157,015.59, 100,724,254.93 and 18,639,798.67

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Solution

The fourth proportional to 67,157,015.59, 100,724,254.93 and 18,639,798.67 is: 27,956,570.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,157,015.59 : 100,724,254.93 = 18,639,798.67 : x
  2. Step 2: Convert to fraction form
    67,157,015.59/100,724,254.93 = 18,639,798.67/x
  3. Step 3: Cross multiply
    67,157,015.59x = 100,724,254.93 × 18,639,798.67
  4. Step 4: Simplify right side
    67,157,015.59x = 1,877,479,833,080,955.25
  5. Step 5: Solve for x
    x = 1,877,479,833,080,955.25/67,157,015.59
  6. Step 6: Final answer
    x = 27,956,570.38

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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.