Finding the Fourth Proportional to 90,968,781.24, 136,414,330.74 and 52,656,740.28
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Solution
The fourth proportional to 90,968,781.24, 136,414,330.74 and 52,656,740.28 is: 78,962,627.47
Step by Step Solution
- Step 1: Write the proportion equation
90,968,781.24 : 136,414,330.74 = 52,656,740.28 : x - Step 2: Convert to fraction form
90,968,781.24/136,414,330.74 = 52,656,740.28/x - Step 3: Cross multiply
90,968,781.24x = 136,414,330.74 × 52,656,740.28 - Step 4: Simplify right side
90,968,781.24x = 7,183,133,984,246,201 - Step 5: Solve for x
x = 7,183,133,984,246,201/90,968,781.24 - Step 6: Final answer
x = 78,962,627.47
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.