Home / 98,084,625.80-147,126,938.70-87,314,088.20

Finding the Fourth Proportional to 98,084,625.80, 147,126,938.70 and 87,314,088.20

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Solution

The fourth proportional to 98,084,625.80, 147,126,938.70 and 87,314,088.20 is: 130,971,132.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,084,625.80 : 147,126,938.70 = 87,314,088.20 : x
  2. Step 2: Convert to fraction form
    98,084,625.80/147,126,938.70 = 87,314,088.20/x
  3. Step 3: Cross multiply
    98,084,625.80x = 147,126,938.70 × 87,314,088.20
  4. Step 4: Simplify right side
    98,084,625.80x = 12,846,254,502,247,792
  5. Step 5: Solve for x
    x = 12,846,254,502,247,792/98,084,625.80
  6. Step 6: Final answer
    x = 130,971,132.30

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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.