Finding the Fourth Proportional to 67,497,742.74, 93,154,455.68 and 38,130,967.00
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Solution
The fourth proportional to 67,497,742.74, 93,154,455.68 and 38,130,967.00 is: 52,625,011.32
Step by Step Solution
- Step 1: Write the proportion equation
67,497,742.74 : 93,154,455.68 = 38,130,967.00 : x - Step 2: Convert to fraction form
67,497,742.74/93,154,455.68 = 38,130,967.00/x - Step 3: Cross multiply
67,497,742.74x = 93,154,455.68 × 38,130,967.00 - Step 4: Simplify right side
67,497,742.74x = 3,552,069,475,775,616 - Step 5: Solve for x
x = 3,552,069,475,775,616/67,497,742.74 - Step 6: Final answer
x = 52,625,011.32
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.