Finding the Fourth Proportional to 149,072,920.74, 223,609,437.91 and 148,857,503.75
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Solution
The fourth proportional to 149,072,920.74, 223,609,437.91 and 148,857,503.75 is: 223,286,312.34
Step by Step Solution
- Step 1: Write the proportion equation
149,072,920.74 : 223,609,437.91 = 148,857,503.75 : x - Step 2: Convert to fraction form
149,072,920.74/223,609,437.91 = 148,857,503.75/x - Step 3: Cross multiply
149,072,920.74x = 223,609,437.91 × 148,857,503.75 - Step 4: Simplify right side
149,072,920.74x = 33,285,942,742,129,776 - Step 5: Solve for x
x = 33,285,942,742,129,776/149,072,920.74 - Step 6: Final answer
x = 223,286,312.34
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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.