Finding the Fourth Proportional to 73,197,128,423.80, 109,795,692,635.70 and 70,097,764,511.80
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Solution
The fourth proportional to 73,197,128,423.80, 109,795,692,635.70 and 70,097,764,511.80 is: 105,146,646,767.70
Step by Step Solution
- Step 1: Write the proportion equation
73,197,128,423.80 : 109,795,692,635.70 = 70,097,764,511.80 : x - Step 2: Convert to fraction form
73,197,128,423.80/109,795,692,635.70 = 70,097,764,511.80/x - Step 3: Cross multiply
73,197,128,423.80x = 109,795,692,635.70 × 70,097,764,511.80 - Step 4: Simplify right side
73,197,128,423.80x = 7,696,432,606,787,272,704,000 - Step 5: Solve for x
x = 7,696,432,606,787,272,704,000/73,197,128,423.80 - Step 6: Final answer
x = 105,146,646,767.70
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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.