Finding the Fourth Proportional to 207,381,681.63, 286,195,415.00 and 119,275,703.91
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Solution
The fourth proportional to 207,381,681.63, 286,195,415.00 and 119,275,703.91 is: 164,605,471.95
Step by Step Solution
- Step 1: Write the proportion equation
207,381,681.63 : 286,195,415.00 = 119,275,703.91 : x - Step 2: Convert to fraction form
207,381,681.63/286,195,415.00 = 119,275,703.91/x - Step 3: Cross multiply
207,381,681.63x = 286,195,415.00 × 119,275,703.91 - Step 4: Simplify right side
207,381,681.63x = 34,136,159,579,343,192 - Step 5: Solve for x
x = 34,136,159,579,343,192/207,381,681.63 - Step 6: Final answer
x = 164,605,471.95
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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.