Finding the Fourth Proportional to 132,862,603.60, 199,134,473.10 and 68,133,089.80
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Solution
The fourth proportional to 132,862,603.60, 199,134,473.10 and 68,133,089.80 is: 102,117,876.44
Step by Step Solution
- Step 1: Write the proportion equation
132,862,603.60 : 199,134,473.10 = 68,133,089.80 : x - Step 2: Convert to fraction form
132,862,603.60/199,134,473.10 = 68,133,089.80/x - Step 3: Cross multiply
132,862,603.60x = 199,134,473.10 × 68,133,089.80 - Step 4: Simplify right side
132,862,603.60x = 13,567,646,937,997,984 - Step 5: Solve for x
x = 13,567,646,937,997,984/132,862,603.60 - Step 6: Final answer
x = 102,117,876.44
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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.