Finding the Fourth Proportional to 163,735,084.80, 245,602,627.20 and 120,688,363.80
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Solution
The fourth proportional to 163,735,084.80, 245,602,627.20 and 120,688,363.80 is: 181,032,545.70
Step by Step Solution
- Step 1: Write the proportion equation
163,735,084.80 : 245,602,627.20 = 120,688,363.80 : x - Step 2: Convert to fraction form
163,735,084.80/245,602,627.20 = 120,688,363.80/x - Step 3: Cross multiply
163,735,084.80x = 245,602,627.20 × 120,688,363.80 - Step 4: Simplify right side
163,735,084.80x = 29,641,379,221,749,372 - Step 5: Solve for x
x = 29,641,379,221,749,372/163,735,084.80 - Step 6: Final answer
x = 181,032,545.70
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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.