Finding the Fourth Proportional to 199,447,368.36, 299,265,798.06 and 138,130,886.76
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Solution
The fourth proportional to 199,447,368.36, 299,265,798.06 and 138,130,886.76 is: 207,261,947.87
Step by Step Solution
- Step 1: Write the proportion equation
199,447,368.36 : 299,265,798.06 = 138,130,886.76 : x - Step 2: Convert to fraction form
199,447,368.36/299,265,798.06 = 138,130,886.76/x - Step 3: Cross multiply
199,447,368.36x = 299,265,798.06 × 138,130,886.76 - Step 4: Simplify right side
199,447,368.36x = 41,337,850,062,966,888 - Step 5: Solve for x
x = 41,337,850,062,966,888/199,447,368.36 - Step 6: Final answer
x = 207,261,947.87
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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.