Finding the Fourth Proportional to 369,326,834.21, 554,142,860.18 and 161,957,943.65
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Solution
The fourth proportional to 369,326,834.21, 554,142,860.18 and 161,957,943.65 is: 243,003,837.82
Step by Step Solution
- Step 1: Write the proportion equation
369,326,834.21 : 554,142,860.18 = 161,957,943.65 : x - Step 2: Convert to fraction form
369,326,834.21/554,142,860.18 = 161,957,943.65/x - Step 3: Cross multiply
369,326,834.21x = 554,142,860.18 × 161,957,943.65 - Step 4: Simplify right side
369,326,834.21x = 89,747,838,122,272,480 - Step 5: Solve for x
x = 89,747,838,122,272,480/369,326,834.21 - Step 6: Final answer
x = 243,003,837.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.