Finding the Fourth Proportional to 134,612,359.22, 185,779,337.49 and 78,904,584.47
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Solution
The fourth proportional to 134,612,359.22, 185,779,337.49 and 78,904,584.47 is: 108,896,697.99
Step by Step Solution
- Step 1: Write the proportion equation
134,612,359.22 : 185,779,337.49 = 78,904,584.47 : x - Step 2: Convert to fraction form
134,612,359.22/185,779,337.49 = 78,904,584.47/x - Step 3: Cross multiply
134,612,359.22x = 185,779,337.49 × 78,904,584.47 - Step 4: Simplify right side
134,612,359.22x = 14,658,841,426,831,448 - Step 5: Solve for x
x = 14,658,841,426,831,448/134,612,359.22 - Step 6: Final answer
x = 108,896,697.99
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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.