Finding the Fourth Proportional to 142,533,199.68, 196,696,355.04 and 77,343,103.68
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Solution
The fourth proportional to 142,533,199.68, 196,696,355.04 and 77,343,103.68 is: 106,733,775.82
Step by Step Solution
- Step 1: Write the proportion equation
142,533,199.68 : 196,696,355.04 = 77,343,103.68 : x - Step 2: Convert to fraction form
142,533,199.68/196,696,355.04 = 77,343,103.68/x - Step 3: Cross multiply
142,533,199.68x = 196,696,355.04 × 77,343,103.68 - Step 4: Simplify right side
142,533,199.68x = 15,213,106,581,336,812 - Step 5: Solve for x
x = 15,213,106,581,336,812/142,533,199.68 - Step 6: Final answer
x = 106,733,775.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.