Finding the Fourth Proportional to 239,430,094.80, 330,413,384.67 and 129,421,807.80
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Solution
The fourth proportional to 239,430,094.80, 330,413,384.67 and 129,421,807.80 is: 178,602,015.76
Step by Step Solution
- Step 1: Write the proportion equation
239,430,094.80 : 330,413,384.67 = 129,421,807.80 : x - Step 2: Convert to fraction form
239,430,094.80/330,413,384.67 = 129,421,807.80/x - Step 3: Cross multiply
239,430,094.80x = 330,413,384.67 × 129,421,807.80 - Step 4: Simplify right side
239,430,094.80x = 42,762,697,565,308,208 - Step 5: Solve for x
x = 42,762,697,565,308,208/239,430,094.80 - Step 6: Final answer
x = 178,602,015.76
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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.