Finding the Fourth Proportional to 279,167,548.47, 385,254,067.76 and 153,731,408.95
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Solution
The fourth proportional to 279,167,548.47, 385,254,067.76 and 153,731,408.95 is: 212,150,914.26
Step by Step Solution
- Step 1: Write the proportion equation
279,167,548.47 : 385,254,067.76 = 153,731,408.95 : x - Step 2: Convert to fraction form
279,167,548.47/385,254,067.76 = 153,731,408.95/x - Step 3: Cross multiply
279,167,548.47x = 385,254,067.76 × 153,731,408.95 - Step 4: Simplify right side
279,167,548.47x = 59,225,650,640,463,568 - Step 5: Solve for x
x = 59,225,650,640,463,568/279,167,548.47 - Step 6: Final answer
x = 212,150,914.26
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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.