Finding the Fourth Proportional to 77,006,588.76, 115,432,113.28 and 48,272,864.24
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Solution
The fourth proportional to 77,006,588.76, 115,432,113.28 and 48,272,864.24 is: 72,360,545.03
Step by Step Solution
- Step 1: Write the proportion equation
77,006,588.76 : 115,432,113.28 = 48,272,864.24 : x - Step 2: Convert to fraction form
77,006,588.76/115,432,113.28 = 48,272,864.24/x - Step 3: Cross multiply
77,006,588.76x = 115,432,113.28 × 48,272,864.24 - Step 4: Simplify right side
77,006,588.76x = 5,572,238,733,301,741 - Step 5: Solve for x
x = 5,572,238,733,301,741/77,006,588.76 - Step 6: Final answer
x = 72,360,545.03
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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.