Finding the Fourth Proportional to 130,032,453.23, 195,018,832.63 and 77,524,982.09
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Solution
The fourth proportional to 130,032,453.23, 195,018,832.63 and 77,524,982.09 is: 116,269,678.31
Step by Step Solution
- Step 1: Write the proportion equation
130,032,453.23 : 195,018,832.63 = 77,524,982.09 : x - Step 2: Convert to fraction form
130,032,453.23/195,018,832.63 = 77,524,982.09/x - Step 3: Cross multiply
130,032,453.23x = 195,018,832.63 × 77,524,982.09 - Step 4: Simplify right side
130,032,453.23x = 15,118,831,506,706,590 - Step 5: Solve for x
x = 15,118,831,506,706,590/130,032,453.23 - Step 6: Final answer
x = 116,269,678.31
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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.