Finding the Fourth Proportional to 368,021,135.64, 551,973,202.02 and 122,357,337.24
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Solution
The fourth proportional to 368,021,135.64, 551,973,202.02 and 122,357,337.24 is: 183,516,555.67
Step by Step Solution
- Step 1: Write the proportion equation
368,021,135.64 : 551,973,202.02 = 122,357,337.24 : x - Step 2: Convert to fraction form
368,021,135.64/551,973,202.02 = 122,357,337.24/x - Step 3: Cross multiply
368,021,135.64x = 551,973,202.02 × 122,357,337.24 - Step 4: Simplify right side
368,021,135.64x = 67,537,971,227,003,784 - Step 5: Solve for x
x = 67,537,971,227,003,784/368,021,135.64 - Step 6: Final answer
x = 183,516,555.67
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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.