Finding the Fourth Proportional to 176,717,085.12, 243,867,252.96 and 97,330,622.40
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Solution
The fourth proportional to 176,717,085.12, 243,867,252.96 and 97,330,622.40 is: 134,314,978.64
Step by Step Solution
- Step 1: Write the proportion equation
176,717,085.12 : 243,867,252.96 = 97,330,622.40 : x - Step 2: Convert to fraction form
176,717,085.12/243,867,252.96 = 97,330,622.40/x - Step 3: Cross multiply
176,717,085.12x = 243,867,252.96 × 97,330,622.40 - Step 4: Simplify right side
176,717,085.12x = 23,735,751,513,575,044 - Step 5: Solve for x
x = 23,735,751,513,575,044/176,717,085.12 - Step 6: Final answer
x = 134,314,978.64
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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.