Finding the Fourth Proportional to 40,153,866.72, 55,412,141.36 and 22,750,177.76
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Solution
The fourth proportional to 40,153,866.72, 55,412,141.36 and 22,750,177.76 is: 31,395,134.99
Step by Step Solution
- Step 1: Write the proportion equation
40,153,866.72 : 55,412,141.36 = 22,750,177.76 : x - Step 2: Convert to fraction form
40,153,866.72/55,412,141.36 = 22,750,177.76/x - Step 3: Cross multiply
40,153,866.72x = 55,412,141.36 × 22,750,177.76 - Step 4: Simplify right side
40,153,866.72x = 1,260,636,066,002,248.25 - Step 5: Solve for x
x = 1,260,636,066,002,248.25/40,153,866.72 - Step 6: Final answer
x = 31,395,134.99
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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.