Finding the Fourth Proportional to 286,897,246.12, 430,344,437.88 and 112,038,046.55
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Solution
The fourth proportional to 286,897,246.12, 430,344,437.88 and 112,038,046.55 is: 168,056,510.88
Step by Step Solution
- Step 1: Write the proportion equation
286,897,246.12 : 430,344,437.88 = 112,038,046.55 : x - Step 2: Convert to fraction form
286,897,246.12/430,344,437.88 = 112,038,046.55/x - Step 3: Cross multiply
286,897,246.12x = 430,344,437.88 × 112,038,046.55 - Step 4: Simplify right side
286,897,246.12x = 48,214,950,163,733,024 - Step 5: Solve for x
x = 48,214,950,163,733,024/286,897,246.12 - Step 6: Final answer
x = 168,056,510.88
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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.