Finding the Fourth Proportional to 90,250,948.51, 124,546,307.74 and 48,997,840.88
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Solution
The fourth proportional to 90,250,948.51, 124,546,307.74 and 48,997,840.88 is: 67,617,019.76
Step by Step Solution
- Step 1: Write the proportion equation
90,250,948.51 : 124,546,307.74 = 48,997,840.88 : x - Step 2: Convert to fraction form
90,250,948.51/124,546,307.74 = 48,997,840.88/x - Step 3: Cross multiply
90,250,948.51x = 124,546,307.74 × 48,997,840.88 - Step 4: Simplify right side
90,250,948.51x = 6,102,500,169,024,903 - Step 5: Solve for x
x = 6,102,500,169,024,903/90,250,948.51 - Step 6: Final answer
x = 67,617,019.76
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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.