Finding the Fourth Proportional to 159,249,092.58, 219,831,478.47 and 107,068,375.80
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Solution
The fourth proportional to 159,249,092.58, 219,831,478.47 and 107,068,375.80 is: 147,799,896.18
Step by Step Solution
- Step 1: Write the proportion equation
159,249,092.58 : 219,831,478.47 = 107,068,375.80 : x - Step 2: Convert to fraction form
159,249,092.58/219,831,478.47 = 107,068,375.80/x - Step 3: Cross multiply
159,249,092.58x = 219,831,478.47 × 107,068,375.80 - Step 4: Simplify right side
159,249,092.58x = 23,536,999,349,495,568 - Step 5: Solve for x
x = 23,536,999,349,495,568/159,249,092.58 - Step 6: Final answer
x = 147,799,896.18
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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.