Finding the Fourth Proportional to 239,683,642.04, 359,629,036.95 and 128,889,815.36
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Solution
The fourth proportional to 239,683,642.04, 359,629,036.95 and 128,889,815.36 is: 193,390,419.86
Step by Step Solution
- Step 1: Write the proportion equation
239,683,642.04 : 359,629,036.95 = 128,889,815.36 : x - Step 2: Convert to fraction form
239,683,642.04/359,629,036.95 = 128,889,815.36/x - Step 3: Cross multiply
239,683,642.04x = 359,629,036.95 × 128,889,815.36 - Step 4: Simplify right side
239,683,642.04x = 46,352,520,169,266,600 - Step 5: Solve for x
x = 46,352,520,169,266,600/239,683,642.04 - Step 6: Final answer
x = 193,390,419.86
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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.