Finding the Fourth Proportional to 46,735,398.32, 64,497,318.80 and 28,156,387.05
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Solution
The fourth proportional to 46,735,398.32, 64,497,318.80 and 28,156,387.05 is: 38,857,301.68
Step by Step Solution
- Step 1: Write the proportion equation
46,735,398.32 : 64,497,318.80 = 28,156,387.05 : x - Step 2: Convert to fraction form
46,735,398.32/64,497,318.80 = 28,156,387.05/x - Step 3: Cross multiply
46,735,398.32x = 64,497,318.80 × 28,156,387.05 - Step 4: Simplify right side
46,735,398.32x = 1,816,011,471,679,259.75 - Step 5: Solve for x
x = 1,816,011,471,679,259.75/46,735,398.32 - Step 6: Final answer
x = 38,857,301.68
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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.