Finding the Fourth Proportional to 277,400,920.18, 416,049,358.70 and 139,189,417.42
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Solution
The fourth proportional to 277,400,920.18, 416,049,358.70 and 139,189,417.42 is: 208,758,023.65
Step by Step Solution
- Step 1: Write the proportion equation
277,400,920.18 : 416,049,358.70 = 139,189,417.42 : x - Step 2: Convert to fraction form
277,400,920.18/416,049,358.70 = 139,189,417.42/x - Step 3: Cross multiply
277,400,920.18x = 416,049,358.70 × 139,189,417.42 - Step 4: Simplify right side
277,400,920.18x = 57,909,667,855,417,600 - Step 5: Solve for x
x = 57,909,667,855,417,600/277,400,920.18 - Step 6: Final answer
x = 208,758,023.65
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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.