Finding the Fourth Proportional to 77,195,432.84, 115,794,533.14 and 28,046,191.48
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Solution
The fourth proportional to 77,195,432.84, 115,794,533.14 and 28,046,191.48 is: 42,069,790.00
Step by Step Solution
- Step 1: Write the proportion equation
77,195,432.84 : 115,794,533.14 = 28,046,191.48 : x - Step 2: Convert to fraction form
77,195,432.84/115,794,533.14 = 28,046,191.48/x - Step 3: Cross multiply
77,195,432.84x = 115,794,533.14 × 28,046,191.48 - Step 4: Simplify right side
77,195,432.84x = 3,247,595,648,422,044 - Step 5: Solve for x
x = 3,247,595,648,422,044/77,195,432.84 - Step 6: Final answer
x = 42,069,790.00
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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.