Finding the Fourth Proportional to 124,479,587.98, 171,796,894.75 and 70,847,289.06
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Solution
The fourth proportional to 124,479,587.98, 171,796,894.75 and 70,847,289.06 is: 97,777,832.16
Step by Step Solution
- Step 1: Write the proportion equation
124,479,587.98 : 171,796,894.75 = 70,847,289.06 : x - Step 2: Convert to fraction form
124,479,587.98/171,796,894.75 = 70,847,289.06/x - Step 3: Cross multiply
124,479,587.98x = 171,796,894.75 × 70,847,289.06 - Step 4: Simplify right side
124,479,587.98x = 12,171,344,260,750,428 - Step 5: Solve for x
x = 12,171,344,260,750,428/124,479,587.98 - Step 6: Final answer
x = 97,777,832.16
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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.