Finding the Fourth Proportional to 266,903,358.84, 368,298,594.90 and 147,822,831.63
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Solution
The fourth proportional to 266,903,358.84, 368,298,594.90 and 147,822,831.63 is: 203,979,977.70
Step by Step Solution
- Step 1: Write the proportion equation
266,903,358.84 : 368,298,594.90 = 147,822,831.63 : x - Step 2: Convert to fraction form
266,903,358.84/368,298,594.90 = 147,822,831.63/x - Step 3: Cross multiply
266,903,358.84x = 368,298,594.90 × 147,822,831.63 - Step 4: Simplify right side
266,903,358.84x = 54,442,941,183,468,272 - Step 5: Solve for x
x = 54,442,941,183,468,272/266,903,358.84 - Step 6: Final answer
x = 203,979,977.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.