Finding the Fourth Proportional to 130,277,038.72, 195,421,842.99 and 42,836,619.83
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Solution
The fourth proportional to 130,277,038.72, 195,421,842.99 and 42,836,619.83 is: 64,256,996.29
Step by Step Solution
- Step 1: Write the proportion equation
130,277,038.72 : 195,421,842.99 = 42,836,619.83 : x - Step 2: Convert to fraction form
130,277,038.72/195,421,842.99 = 42,836,619.83/x - Step 3: Cross multiply
130,277,038.72x = 195,421,842.99 × 42,836,619.83 - Step 4: Simplify right side
130,277,038.72x = 8,371,211,194,092,393 - Step 5: Solve for x
x = 8,371,211,194,092,393/130,277,038.72 - Step 6: Final answer
x = 64,256,996.29
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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.