Finding the Fourth Proportional to 98,837,640.99, 136,395,708.44 and 54,183,533.31
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Solution
The fourth proportional to 98,837,640.99, 136,395,708.44 and 54,183,533.31 is: 74,773,146.52
Step by Step Solution
- Step 1: Write the proportion equation
98,837,640.99 : 136,395,708.44 = 54,183,533.31 : x - Step 2: Convert to fraction form
98,837,640.99/136,395,708.44 = 54,183,533.31/x - Step 3: Cross multiply
98,837,640.99x = 136,395,708.44 × 54,183,533.31 - Step 4: Simplify right side
98,837,640.99x = 7,390,401,411,328,871 - Step 5: Solve for x
x = 7,390,401,411,328,871/98,837,640.99 - Step 6: Final answer
x = 74,773,146.52
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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.