Finding the Fourth Proportional to 134,636,993.58, 185,791,043.81 and 78,117,361.02
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Solution
The fourth proportional to 134,636,993.58, 185,791,043.81 and 78,117,361.02 is: 107,797,312.30
Step by Step Solution
- Step 1: Write the proportion equation
134,636,993.58 : 185,791,043.81 = 78,117,361.02 : x - Step 2: Convert to fraction form
134,636,993.58/185,791,043.81 = 78,117,361.02/x - Step 3: Cross multiply
134,636,993.58x = 185,791,043.81 × 78,117,361.02 - Step 4: Simplify right side
134,636,993.58x = 14,513,506,043,588,406 - Step 5: Solve for x
x = 14,513,506,043,588,406/134,636,993.58 - Step 6: Final answer
x = 107,797,312.30
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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.