Finding the Fourth Proportional to 134,468,971.41, 185,652,860.18 and 109,748,126.02
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Solution
The fourth proportional to 134,468,971.41, 185,652,860.18 and 109,748,126.02 is: 151,522,342.15
Step by Step Solution
- Step 1: Write the proportion equation
134,468,971.41 : 185,652,860.18 = 109,748,126.02 : x - Step 2: Convert to fraction form
134,468,971.41/185,652,860.18 = 109,748,126.02/x - Step 3: Cross multiply
134,468,971.41x = 185,652,860.18 × 109,748,126.02 - Step 4: Simplify right side
134,468,971.41x = 20,375,053,495,008,080 - Step 5: Solve for x
x = 20,375,053,495,008,080/134,468,971.41 - Step 6: Final answer
x = 151,522,342.15
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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.