Finding the Fourth Proportional to 186,722,848.14, 257,677,887.04 and 103,091,140.58
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Solution
The fourth proportional to 186,722,848.14, 257,677,887.04 and 103,091,140.58 is: 142,265,970.89
Step by Step Solution
- Step 1: Write the proportion equation
186,722,848.14 : 257,677,887.04 = 103,091,140.58 : x - Step 2: Convert to fraction form
186,722,848.14/257,677,887.04 = 103,091,140.58/x - Step 3: Cross multiply
186,722,848.14x = 257,677,887.04 × 103,091,140.58 - Step 4: Simplify right side
186,722,848.14x = 26,564,307,277,198,000 - Step 5: Solve for x
x = 26,564,307,277,198,000/186,722,848.14 - Step 6: Final answer
x = 142,265,970.89
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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.