Finding the Fourth Proportional to 153,432,125.76, 230,238,989.82 and 56,455,934.62
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Solution
The fourth proportional to 153,432,125.76, 230,238,989.82 and 56,455,934.62 is: 84,717,312.57
Step by Step Solution
- Step 1: Write the proportion equation
153,432,125.76 : 230,238,989.82 = 56,455,934.62 : x - Step 2: Convert to fraction form
153,432,125.76/230,238,989.82 = 56,455,934.62/x - Step 3: Cross multiply
153,432,125.76x = 230,238,989.82 × 56,455,934.62 - Step 4: Simplify right side
153,432,125.76x = 12,998,357,356,252,764 - Step 5: Solve for x
x = 12,998,357,356,252,764/153,432,125.76 - Step 6: Final answer
x = 84,717,312.57
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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.