Finding the Fourth Proportional to 118,117,869.30, 177,176,803.95 and 66,249,227.70
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Solution
The fourth proportional to 118,117,869.30, 177,176,803.95 and 66,249,227.70 is: 99,373,841.55
Step by Step Solution
- Step 1: Write the proportion equation
118,117,869.30 : 177,176,803.95 = 66,249,227.70 : x - Step 2: Convert to fraction form
118,117,869.30/177,176,803.95 = 66,249,227.70/x - Step 3: Cross multiply
118,117,869.30x = 177,176,803.95 × 66,249,227.70 - Step 4: Simplify right side
118,117,869.30x = 11,737,826,428,041,810 - Step 5: Solve for x
x = 11,737,826,428,041,810/118,117,869.30 - Step 6: Final answer
x = 99,373,841.55
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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.