Finding the Fourth Proportional to 369,658,221.40, 554,487,332.10 and 97,056,544.60
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Solution
The fourth proportional to 369,658,221.40, 554,487,332.10 and 97,056,544.60 is: 145,584,816.90
Step by Step Solution
- Step 1: Write the proportion equation
369,658,221.40 : 554,487,332.10 = 97,056,544.60 : x - Step 2: Convert to fraction form
369,658,221.40/554,487,332.10 = 97,056,544.60/x - Step 3: Cross multiply
369,658,221.40x = 554,487,332.10 × 97,056,544.60 - Step 4: Simplify right side
369,658,221.40x = 53,816,624,478,098,664 - Step 5: Solve for x
x = 53,816,624,478,098,664/369,658,221.40 - Step 6: Final answer
x = 145,584,816.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.