Finding the Fourth Proportional to 86,068,898.84, 118,775,124.29 and 48,899,243.41
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Solution
The fourth proportional to 86,068,898.84, 118,775,124.29 and 48,899,243.41 is: 67,480,980.84
Step by Step Solution
- Step 1: Write the proportion equation
86,068,898.84 : 118,775,124.29 = 48,899,243.41 : x - Step 2: Convert to fraction form
86,068,898.84/118,775,124.29 = 48,899,243.41/x - Step 3: Cross multiply
86,068,898.84x = 118,775,124.29 × 48,899,243.41 - Step 4: Simplify right side
86,068,898.84x = 5,808,013,713,709,713 - Step 5: Solve for x
x = 5,808,013,713,709,713/86,068,898.84 - Step 6: Final answer
x = 67,480,980.84
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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.