Home / 30,213,039.40-45,319,559.10-25,430,070.40

Finding the Fourth Proportional to 30,213,039.40, 45,319,559.10 and 25,430,070.40

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Solution

The fourth proportional to 30,213,039.40, 45,319,559.10 and 25,430,070.40 is: 38,145,105.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213,039.40 : 45,319,559.10 = 25,430,070.40 : x
  2. Step 2: Convert to fraction form
    30,213,039.40/45,319,559.10 = 25,430,070.40/x
  3. Step 3: Cross multiply
    30,213,039.40x = 45,319,559.10 × 25,430,070.40
  4. Step 4: Simplify right side
    30,213,039.40x = 1,152,479,578,409,960.50
  5. Step 5: Solve for x
    x = 1,152,479,578,409,960.50/30,213,039.40
  6. Step 6: Final answer
    x = 38,145,105.60

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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.