Finding the Fourth Proportional to 70,386,554.36, 105,640,615.08 and 48,836,289.65
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Solution
The fourth proportional to 70,386,554.36, 105,640,615.08 and 48,836,289.65 is: 73,296,607.90
Step by Step Solution
- Step 1: Write the proportion equation
70,386,554.36 : 105,640,615.08 = 48,836,289.65 : x - Step 2: Convert to fraction form
70,386,554.36/105,640,615.08 = 48,836,289.65/x - Step 3: Cross multiply
70,386,554.36x = 105,640,615.08 × 48,836,289.65 - Step 4: Simplify right side
70,386,554.36x = 5,159,095,676,322,835 - Step 5: Solve for x
x = 5,159,095,676,322,835/70,386,554.36 - Step 6: Final answer
x = 73,296,607.90
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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.