Finding the Fourth Proportional to 55,122,130.72, 82,679,210.16 and 26,360,543.80
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Solution
The fourth proportional to 55,122,130.72, 82,679,210.16 and 26,360,543.80 is: 39,538,909.55
Step by Step Solution
- Step 1: Write the proportion equation
55,122,130.72 : 82,679,210.16 = 26,360,543.80 : x - Step 2: Convert to fraction form
55,122,130.72/82,679,210.16 = 26,360,543.80/x - Step 3: Cross multiply
55,122,130.72x = 82,679,210.16 × 26,360,543.80 - Step 4: Simplify right side
55,122,130.72x = 2,179,468,940,772,085 - Step 5: Solve for x
x = 2,179,468,940,772,085/55,122,130.72 - Step 6: Final answer
x = 39,538,909.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.