Finding the Fourth Proportional to 99,630,188.80, 149,473,276.80 and 48,513,875.20
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Solution
The fourth proportional to 99,630,188.80, 149,473,276.80 and 48,513,875.20 is: 72,784,443.99
Step by Step Solution
- Step 1: Write the proportion equation
99,630,188.80 : 149,473,276.80 = 48,513,875.20 : x - Step 2: Convert to fraction form
99,630,188.80/149,473,276.80 = 48,513,875.20/x - Step 3: Cross multiply
99,630,188.80x = 149,473,276.80 × 48,513,875.20 - Step 4: Simplify right side
99,630,188.80x = 7,251,527,896,410,256 - Step 5: Solve for x
x = 7,251,527,896,410,256/99,630,188.80 - Step 6: Final answer
x = 72,784,443.99
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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.