Home / 70,421,605.20-105,632,407.80-69,973,707.60

Finding the Fourth Proportional to 70,421,605.20, 105,632,407.80 and 69,973,707.60

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Solution

The fourth proportional to 70,421,605.20, 105,632,407.80 and 69,973,707.60 is: 104,960,561.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,421,605.20 : 105,632,407.80 = 69,973,707.60 : x
  2. Step 2: Convert to fraction form
    70,421,605.20/105,632,407.80 = 69,973,707.60/x
  3. Step 3: Cross multiply
    70,421,605.20x = 105,632,407.80 × 69,973,707.60
  4. Step 4: Simplify right side
    70,421,605.20x = 7,391,491,216,481,158
  5. Step 5: Solve for x
    x = 7,391,491,216,481,158/70,421,605.20
  6. Step 6: Final answer
    x = 104,960,561.40

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1.5x scale

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.