Finding the Fourth Proportional to 349,726,905.12, 524,615,557.68 and 134,316,153.12
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Solution
The fourth proportional to 349,726,905.12, 524,615,557.68 and 134,316,153.12 is: 201,483,907.99
Step by Step Solution
- Step 1: Write the proportion equation
349,726,905.12 : 524,615,557.68 = 134,316,153.12 : x - Step 2: Convert to fraction form
349,726,905.12/524,615,557.68 = 134,316,153.12/x - Step 3: Cross multiply
349,726,905.12x = 524,615,557.68 × 134,316,153.12 - Step 4: Simplify right side
349,726,905.12x = 70,464,343,574,481,072 - Step 5: Solve for x
x = 70,464,343,574,481,072/349,726,905.12 - Step 6: Final answer
x = 201,483,907.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.