Finding the Fourth Proportional to 124,658,471.76, 172,029,555.72 and 69,656,646.48
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Solution
The fourth proportional to 124,658,471.76, 172,029,555.72 and 69,656,646.48 is: 96,126,655.31
Step by Step Solution
- Step 1: Write the proportion equation
124,658,471.76 : 172,029,555.72 = 69,656,646.48 : x - Step 2: Convert to fraction form
124,658,471.76/172,029,555.72 = 69,656,646.48/x - Step 3: Cross multiply
124,658,471.76x = 172,029,555.72 × 69,656,646.48 - Step 4: Simplify right side
124,658,471.76x = 11,983,001,946,899,502 - Step 5: Solve for x
x = 11,983,001,946,899,502/124,658,471.76 - Step 6: Final answer
x = 96,126,655.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.