Finding the Fourth Proportional to 186,693,396.81, 257,630,133.98 and 103,059,731.12
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Solution
The fourth proportional to 186,693,396.81, 257,630,133.98 and 103,059,731.12 is: 142,218,700.76
Step by Step Solution
- Step 1: Write the proportion equation
186,693,396.81 : 257,630,133.98 = 103,059,731.12 : x - Step 2: Convert to fraction form
186,693,396.81/257,630,133.98 = 103,059,731.12/x - Step 3: Cross multiply
186,693,396.81x = 257,630,133.98 × 103,059,731.12 - Step 4: Simplify right side
186,693,396.81x = 26,551,292,334,584,924 - Step 5: Solve for x
x = 26,551,292,334,584,924/186,693,396.81 - Step 6: Final answer
x = 142,218,700.76
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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.