Finding the Fourth Proportional to 70,190,597.68, 105,295,477.74 and 29,240,460.25
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Solution
The fourth proportional to 70,190,597.68, 105,295,477.74 and 29,240,460.25 is: 43,864,681.79
Step by Step Solution
- Step 1: Write the proportion equation
70,190,597.68 : 105,295,477.74 = 29,240,460.25 : x - Step 2: Convert to fraction form
70,190,597.68/105,295,477.74 = 29,240,460.25/x - Step 3: Cross multiply
70,190,597.68x = 105,295,477.74 × 29,240,460.25 - Step 4: Simplify right side
70,190,597.68x = 3,078,888,231,827,416 - Step 5: Solve for x
x = 3,078,888,231,827,416/70,190,597.68 - Step 6: Final answer
x = 43,864,681.79
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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.