Finding the Fourth Proportional to 107,449,743.70, 160,831,693.95 and 84,774,927.70
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Solution
The fourth proportional to 107,449,743.70, 160,831,693.95 and 84,774,927.70 is: 126,891,835.73
Step by Step Solution
- Step 1: Write the proportion equation
107,449,743.70 : 160,831,693.95 = 84,774,927.70 : x - Step 2: Convert to fraction form
107,449,743.70/160,831,693.95 = 84,774,927.70/x - Step 3: Cross multiply
107,449,743.70x = 160,831,693.95 × 84,774,927.70 - Step 4: Simplify right side
107,449,743.70x = 13,634,495,226,479,776 - Step 5: Solve for x
x = 13,634,495,226,479,776/107,449,743.70 - Step 6: Final answer
x = 126,891,835.73
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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.