Finding the Fourth Proportional to 93,312,070.70, 139,968,106.05 and 69,125,600.30
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Solution
The fourth proportional to 93,312,070.70, 139,968,106.05 and 69,125,600.30 is: 103,688,400.45
Step by Step Solution
- Step 1: Write the proportion equation
93,312,070.70 : 139,968,106.05 = 69,125,600.30 : x - Step 2: Convert to fraction form
93,312,070.70/139,968,106.05 = 69,125,600.30/x - Step 3: Cross multiply
93,312,070.70x = 139,968,106.05 × 69,125,600.30 - Step 4: Simplify right side
93,312,070.70x = 9,675,379,353,560,312 - Step 5: Solve for x
x = 9,675,379,353,560,312/93,312,070.70 - Step 6: Final answer
x = 103,688,400.45
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1.5x scale
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.