Finding the Fourth Proportional to 99,909,006.88, 149,873,789.12 and 37,712,710.12
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Solution
The fourth proportional to 99,909,006.88, 149,873,789.12 and 37,712,710.12 is: 56,572,945.12
Step by Step Solution
- Step 1: Write the proportion equation
99,909,006.88 : 149,873,789.12 = 37,712,710.12 : x - Step 2: Convert to fraction form
99,909,006.88/149,873,789.12 = 37,712,710.12/x - Step 3: Cross multiply
99,909,006.88x = 149,873,789.12 × 37,712,710.12 - Step 4: Simplify right side
99,909,006.88x = 5,652,146,763,668,570 - Step 5: Solve for x
x = 5,652,146,763,668,570/99,909,006.88 - Step 6: Final answer
x = 56,572,945.12
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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.