Finding the Fourth Proportional to 268,787,291.47, 403,337,417.07 and 113,331,351.13
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Solution
The fourth proportional to 268,787,291.47, 403,337,417.07 and 113,331,351.13 is: 170,063,004.79
Step by Step Solution
- Step 1: Write the proportion equation
268,787,291.47 : 403,337,417.07 = 113,331,351.13 : x - Step 2: Convert to fraction form
268,787,291.47/403,337,417.07 = 113,331,351.13/x - Step 3: Cross multiply
268,787,291.47x = 403,337,417.07 × 113,331,351.13 - Step 4: Simplify right side
268,787,291.47x = 45,710,774,437,827,424 - Step 5: Solve for x
x = 45,710,774,437,827,424/268,787,291.47 - Step 6: Final answer
x = 170,063,004.79
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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.