Finding the Fourth Proportional to 93,312,102.70, 139,968,154.05 and 84,242,176.30
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Solution
The fourth proportional to 93,312,102.70, 139,968,154.05 and 84,242,176.30 is: 126,363,264.45
Step by Step Solution
- Step 1: Write the proportion equation
93,312,102.70 : 139,968,154.05 = 84,242,176.30 : x - Step 2: Convert to fraction form
93,312,102.70/139,968,154.05 = 84,242,176.30/x - Step 3: Cross multiply
93,312,102.70x = 139,968,154.05 × 84,242,176.30 - Step 4: Simplify right side
93,312,102.70x = 11,791,221,909,865,660 - Step 5: Solve for x
x = 11,791,221,909,865,660/93,312,102.70 - Step 6: Final answer
x = 126,363,264.45
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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.