Finding the Fourth Proportional to 134,857,513.32, 186,103,368.44 and 72,977,851.90
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Solution
The fourth proportional to 134,857,513.32, 186,103,368.44 and 72,977,851.90 is: 100,709,435.65
Step by Step Solution
- Step 1: Write the proportion equation
134,857,513.32 : 186,103,368.44 = 72,977,851.90 : x - Step 2: Convert to fraction form
134,857,513.32/186,103,368.44 = 72,977,851.90/x - Step 3: Cross multiply
134,857,513.32x = 186,103,368.44 × 72,977,851.90 - Step 4: Simplify right side
134,857,513.32x = 13,581,424,060,105,454 - Step 5: Solve for x
x = 13,581,424,060,105,454/134,857,513.32 - Step 6: Final answer
x = 100,709,435.65
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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.