Finding the Fourth Proportional to 135,968,220.08, 187,630,276.39 and 77,230,702.34
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Solution
The fourth proportional to 135,968,220.08, 187,630,276.39 and 77,230,702.34 is: 106,575,036.55
Step by Step Solution
- Step 1: Write the proportion equation
135,968,220.08 : 187,630,276.39 = 77,230,702.34 : x - Step 2: Convert to fraction form
135,968,220.08/187,630,276.39 = 77,230,702.34/x - Step 3: Cross multiply
135,968,220.08x = 187,630,276.39 × 77,230,702.34 - Step 4: Simplify right side
135,968,220.08x = 14,490,818,024,716,790 - Step 5: Solve for x
x = 14,490,818,024,716,790/135,968,220.08 - Step 6: Final answer
x = 106,575,036.55
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1.5x scale
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.