Finding the Fourth Proportional to 149,139,287.34, 223,695,128.04 and 70,337,725.87
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Solution
The fourth proportional to 149,139,287.34, 223,695,128.04 and 70,337,725.87 is: 105,500,078.99
Step by Step Solution
- Step 1: Write the proportion equation
149,139,287.34 : 223,695,128.04 = 70,337,725.87 : x - Step 2: Convert to fraction form
149,139,287.34/223,695,128.04 = 70,337,725.87/x - Step 3: Cross multiply
149,139,287.34x = 223,695,128.04 × 70,337,725.87 - Step 4: Simplify right side
149,139,287.34x = 15,734,206,594,532,070 - Step 5: Solve for x
x = 15,734,206,594,532,070/149,139,287.34 - Step 6: Final answer
x = 105,500,078.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.