Finding the Fourth Proportional to 199,447,372.36, 299,265,804.06 and 138,130,890.76
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Solution
The fourth proportional to 199,447,372.36, 299,265,804.06 and 138,130,890.76 is: 207,261,953.87
Step by Step Solution
- Step 1: Write the proportion equation
199,447,372.36 : 299,265,804.06 = 138,130,890.76 : x - Step 2: Convert to fraction form
199,447,372.36/299,265,804.06 = 138,130,890.76/x - Step 3: Cross multiply
199,447,372.36x = 299,265,804.06 × 138,130,890.76 - Step 4: Simplify right side
199,447,372.36x = 41,337,852,088,815,424 - Step 5: Solve for x
x = 41,337,852,088,815,424/199,447,372.36 - Step 6: Final answer
x = 207,261,953.87
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.