Finding the Fourth Proportional to 138,077,551.08, 190,551,060.24 and 75,357,671.84
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Solution
The fourth proportional to 138,077,551.08, 190,551,060.24 and 75,357,671.84 is: 103,995,791.88
Step by Step Solution
- Step 1: Write the proportion equation
138,077,551.08 : 190,551,060.24 = 75,357,671.84 : x - Step 2: Convert to fraction form
138,077,551.08/190,551,060.24 = 75,357,671.84/x - Step 3: Cross multiply
138,077,551.08x = 190,551,060.24 × 75,357,671.84 - Step 4: Simplify right side
138,077,551.08x = 14,359,484,265,000,448 - Step 5: Solve for x
x = 14,359,484,265,000,448/138,077,551.08 - Step 6: Final answer
x = 103,995,791.88
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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.