Finding the Fourth Proportional to 180,574,152.98, 249,213,604.32 and 107,235,294.98
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Solution
The fourth proportional to 180,574,152.98, 249,213,604.32 and 107,235,294.98 is: 147,997,340.32
Step by Step Solution
- Step 1: Write the proportion equation
180,574,152.98 : 249,213,604.32 = 107,235,294.98 : x - Step 2: Convert to fraction form
180,574,152.98/249,213,604.32 = 107,235,294.98/x - Step 3: Cross multiply
180,574,152.98x = 249,213,604.32 × 107,235,294.98 - Step 4: Simplify right side
180,574,152.98x = 26,724,494,371,038,132 - Step 5: Solve for x
x = 26,724,494,371,038,132/180,574,152.98 - Step 6: Final answer
x = 147,997,340.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.