Finding the Fourth Proportional to 70,893,359.64, 106,340,886.17 and 19,772,268.12
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Solution
The fourth proportional to 70,893,359.64, 106,340,886.17 and 19,772,268.12 is: 29,658,638.32
Step by Step Solution
- Step 1: Write the proportion equation
70,893,359.64 : 106,340,886.17 = 19,772,268.12 : x - Step 2: Convert to fraction form
70,893,359.64/106,340,886.17 = 19,772,268.12/x - Step 3: Cross multiply
70,893,359.64x = 106,340,886.17 × 19,772,268.12 - Step 4: Simplify right side
70,893,359.64x = 2,102,600,512,939,935.25 - Step 5: Solve for x
x = 2,102,600,512,939,935.25/70,893,359.64 - Step 6: Final answer
x = 29,658,638.32
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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.