Finding the Fourth Proportional to 195,562,904.10, 292,896,458.55 and 99,712,817.70
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Solution
The fourth proportional to 195,562,904.10, 292,896,458.55 and 99,712,817.70 is: 149,340,854.34
Step by Step Solution
- Step 1: Write the proportion equation
195,562,904.10 : 292,896,458.55 = 99,712,817.70 : x - Step 2: Convert to fraction form
195,562,904.10/292,896,458.55 = 99,712,817.70/x - Step 3: Cross multiply
195,562,904.10x = 292,896,458.55 × 99,712,817.70 - Step 4: Simplify right side
195,562,904.10x = 29,205,531,176,371,760 - Step 5: Solve for x
x = 29,205,531,176,371,760/195,562,904.10 - Step 6: Final answer
x = 149,340,854.34
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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.