Finding the Fourth Proportional to 153,398,735.21, 211,684,138.58 and 86,416,133.01
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Solution
The fourth proportional to 153,398,735.21, 211,684,138.58 and 86,416,133.01 is: 119,250,818.14
Step by Step Solution
- Step 1: Write the proportion equation
153,398,735.21 : 211,684,138.58 = 86,416,133.01 : x - Step 2: Convert to fraction form
153,398,735.21/211,684,138.58 = 86,416,133.01/x - Step 3: Cross multiply
153,398,735.21x = 211,684,138.58 × 86,416,133.01 - Step 4: Simplify right side
153,398,735.21x = 18,292,924,675,058,776 - Step 5: Solve for x
x = 18,292,924,675,058,776/153,398,735.21 - Step 6: Final answer
x = 119,250,818.14
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.