Finding the Fourth Proportional to 130,246,623.39, 195,328,455.89 and 42,787,839.36
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Solution
The fourth proportional to 130,246,623.39, 195,328,455.89 and 42,787,839.36 is: 64,168,132.55
Step by Step Solution
- Step 1: Write the proportion equation
130,246,623.39 : 195,328,455.89 = 42,787,839.36 : x - Step 2: Convert to fraction form
130,246,623.39/195,328,455.89 = 42,787,839.36/x - Step 3: Cross multiply
130,246,623.39x = 195,328,455.89 × 42,787,839.36 - Step 4: Simplify right side
130,246,623.39x = 8,357,682,593,937,839 - Step 5: Solve for x
x = 8,357,682,593,937,839/130,246,623.39 - Step 6: Final answer
x = 64,168,132.55
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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.