Finding the Fourth Proportional to 180,438,156.06, 249,007,044.15 and 97,932,929.82
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Solution
The fourth proportional to 180,438,156.06, 249,007,044.15 and 97,932,929.82 is: 135,148,739.67
Step by Step Solution
- Step 1: Write the proportion equation
180,438,156.06 : 249,007,044.15 = 97,932,929.82 : x - Step 2: Convert to fraction form
180,438,156.06/249,007,044.15 = 97,932,929.82/x - Step 3: Cross multiply
180,438,156.06x = 249,007,044.15 × 97,932,929.82 - Step 4: Simplify right side
180,438,156.06x = 24,385,989,379,427,592 - Step 5: Solve for x
x = 24,385,989,379,427,592/180,438,156.06 - Step 6: Final answer
x = 135,148,739.67
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.