Finding the Fourth Proportional to 133,116,009.95, 199,684,044.09 and 39,735,602.05
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Solution
The fourth proportional to 133,116,009.95, 199,684,044.09 and 39,735,602.05 is: 59,606,396.81
Step by Step Solution
- Step 1: Write the proportion equation
133,116,009.95 : 199,684,044.09 = 39,735,602.05 : x - Step 2: Convert to fraction form
133,116,009.95/199,684,044.09 = 39,735,602.05/x - Step 3: Cross multiply
133,116,009.95x = 199,684,044.09 × 39,735,602.05 - Step 4: Simplify right side
133,116,009.95x = 7,934,565,711,570,092 - Step 5: Solve for x
x = 7,934,565,711,570,092/133,116,009.95 - Step 6: Final answer
x = 59,606,396.81
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.