Finding the Fourth Proportional to 118,645,305.84, 163,735,199.28 and 66,433,874.40
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Solution
The fourth proportional to 118,645,305.84, 163,735,199.28 and 66,433,874.40 is: 91,681,365.62
Step by Step Solution
- Step 1: Write the proportion equation
118,645,305.84 : 163,735,199.28 = 66,433,874.40 : x - Step 2: Convert to fraction form
118,645,305.84/163,735,199.28 = 66,433,874.40/x - Step 3: Cross multiply
118,645,305.84x = 163,735,199.28 × 66,433,874.40 - Step 4: Simplify right side
118,645,305.84x = 10,877,563,663,826,490 - Step 5: Solve for x
x = 10,877,563,663,826,490/118,645,305.84 - Step 6: Final answer
x = 91,681,365.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.