Finding the Fourth Proportional to 260,963,478.01, 391,597,858.68 and 97,314,292.09
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Solution
The fourth proportional to 260,963,478.01, 391,597,858.68 and 97,314,292.09 is: 146,028,358.80
Step by Step Solution
- Step 1: Write the proportion equation
260,963,478.01 : 391,597,858.68 = 97,314,292.09 : x - Step 2: Convert to fraction form
260,963,478.01/391,597,858.68 = 97,314,292.09/x - Step 3: Cross multiply
260,963,478.01x = 391,597,858.68 × 97,314,292.09 - Step 4: Simplify right side
260,963,478.01x = 38,108,068,400,243,088 - Step 5: Solve for x
x = 38,108,068,400,243,088/260,963,478.01 - Step 6: Final answer
x = 146,028,358.80
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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.