Finding the Fourth Proportional to 86,831,808.74, 119,828,130.23 and 47,676,121.59
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Solution
The fourth proportional to 86,831,808.74, 119,828,130.23 and 47,676,121.59 is: 65,793,176.38
Step by Step Solution
- Step 1: Write the proportion equation
86,831,808.74 : 119,828,130.23 = 47,676,121.59 : x - Step 2: Convert to fraction form
86,831,808.74/119,828,130.23 = 47,676,121.59/x - Step 3: Cross multiply
86,831,808.74x = 119,828,130.23 × 47,676,121.59 - Step 4: Simplify right side
86,831,808.74x = 5,712,940,507,316,381 - Step 5: Solve for x
x = 5,712,940,507,316,381/86,831,808.74 - Step 6: Final answer
x = 65,793,176.38
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.