Home / 70,210,141.93-105,319,833.95-18,396,013.33

Finding the Fourth Proportional to 70,210,141.93, 105,319,833.95 and 18,396,013.33

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Solution

The fourth proportional to 70,210,141.93, 105,319,833.95 and 18,396,013.33 is: 27,595,230.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,210,141.93 : 105,319,833.95 = 18,396,013.33 : x
  2. Step 2: Convert to fraction form
    70,210,141.93/105,319,833.95 = 18,396,013.33/x
  3. Step 3: Cross multiply
    70,210,141.93x = 105,319,833.95 × 18,396,013.33
  4. Step 4: Simplify right side
    70,210,141.93x = 1,937,465,069,257,586.50
  5. Step 5: Solve for x
    x = 1,937,465,069,257,586.50/70,210,141.93
  6. Step 6: Final answer
    x = 27,595,230.77

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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.