Finding the Fourth Proportional to 93,312,079.30, 139,968,118.95 and 73,828,533.70
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Solution
The fourth proportional to 93,312,079.30, 139,968,118.95 and 73,828,533.70 is: 110,742,800.55
Step by Step Solution
- Step 1: Write the proportion equation
93,312,079.30 : 139,968,118.95 = 73,828,533.70 : x - Step 2: Convert to fraction form
93,312,079.30/139,968,118.95 = 73,828,533.70/x - Step 3: Cross multiply
93,312,079.30x = 139,968,118.95 × 73,828,533.70 - Step 4: Simplify right side
93,312,079.30x = 10,333,640,986,825,684 - Step 5: Solve for x
x = 10,333,640,986,825,684/93,312,079.30 - Step 6: Final answer
x = 110,742,800.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.