Finding the Fourth Proportional to 72,668,845.58, 108,913,510.64 and 62,361,252.14
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Solution
The fourth proportional to 72,668,845.58, 108,913,510.64 and 62,361,252.14 is: 93,464,852.02
Step by Step Solution
- Step 1: Write the proportion equation
72,668,845.58 : 108,913,510.64 = 62,361,252.14 : x - Step 2: Convert to fraction form
72,668,845.58/108,913,510.64 = 62,361,252.14/x - Step 3: Cross multiply
72,668,845.58x = 108,913,510.64 × 62,361,252.14 - Step 4: Simplify right side
72,668,845.58x = 6,791,982,898,473,613 - Step 5: Solve for x
x = 6,791,982,898,473,613/72,668,845.58 - Step 6: Final answer
x = 93,464,852.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.