Finding the Fourth Proportional to 108,973,160.32, 150,526,509.99 and 80,772,701.91
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Solution
The fourth proportional to 108,973,160.32, 150,526,509.99 and 80,772,701.91 is: 111,572,729.32
Step by Step Solution
- Step 1: Write the proportion equation
108,973,160.32 : 150,526,509.99 = 80,772,701.91 : x - Step 2: Convert to fraction form
108,973,160.32/150,526,509.99 = 80,772,701.91/x - Step 3: Cross multiply
108,973,160.32x = 150,526,509.99 × 80,772,701.91 - Step 4: Simplify right side
108,973,160.32x = 12,158,432,919,818,412 - Step 5: Solve for x
x = 12,158,432,919,818,412/108,973,160.32 - Step 6: Final answer
x = 111,572,729.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.