Finding the Fourth Proportional to 118,133,221.68, 163,023,875.99 and 65,209,958.87
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Solution
The fourth proportional to 118,133,221.68, 163,023,875.99 and 65,209,958.87 is: 89,989,759.83
Step by Step Solution
- Step 1: Write the proportion equation
118,133,221.68 : 163,023,875.99 = 65,209,958.87 : x - Step 2: Convert to fraction form
118,133,221.68/163,023,875.99 = 65,209,958.87/x - Step 3: Cross multiply
118,133,221.68x = 163,023,875.99 × 65,209,958.87 - Step 4: Simplify right side
118,133,221.68x = 10,630,780,246,994,712 - Step 5: Solve for x
x = 10,630,780,246,994,712/118,133,221.68 - Step 6: Final answer
x = 89,989,759.83
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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.