Finding the Fourth Proportional to 99,973,356.11, 137,929,817.75 and 58,148,543.00
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Solution
The fourth proportional to 99,973,356.11, 137,929,817.75 and 58,148,543.00 is: 80,225,554.59
Step by Step Solution
- Step 1: Write the proportion equation
99,973,356.11 : 137,929,817.75 = 58,148,543.00 : x - Step 2: Convert to fraction form
99,973,356.11/137,929,817.75 = 58,148,543.00/x - Step 3: Cross multiply
99,973,356.11x = 137,929,817.75 × 58,148,543.00 - Step 4: Simplify right side
99,973,356.11x = 8,020,417,937,437,646 - Step 5: Solve for x
x = 8,020,417,937,437,646/99,973,356.11 - Step 6: Final answer
x = 80,225,554.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.