Finding the Fourth Proportional to 156,357,244.84, 215,683,351.04 and 97,517,757.60
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Solution
The fourth proportional to 156,357,244.84, 215,683,351.04 and 97,517,757.60 is: 134,518,594.05
Step by Step Solution
- Step 1: Write the proportion equation
156,357,244.84 : 215,683,351.04 = 97,517,757.60 : x - Step 2: Convert to fraction form
156,357,244.84/215,683,351.04 = 97,517,757.60/x - Step 3: Cross multiply
156,357,244.84x = 215,683,351.04 × 97,517,757.60 - Step 4: Simplify right side
156,357,244.84x = 21,032,956,745,074,424 - Step 5: Solve for x
x = 21,032,956,745,074,424/156,357,244.84 - Step 6: Final answer
x = 134,518,594.05
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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.