Home / 202,755,430.80-304,058,496.60-66,445,261.20

Finding the Fourth Proportional to 202,755,430.80, 304,058,496.60 and 66,445,261.20

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Solution

The fourth proportional to 202,755,430.80, 304,058,496.60 and 66,445,261.20 is: 99,643,428.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,755,430.80 : 304,058,496.60 = 66,445,261.20 : x
  2. Step 2: Convert to fraction form
    202,755,430.80/304,058,496.60 = 66,445,261.20/x
  3. Step 3: Cross multiply
    202,755,430.80x = 304,058,496.60 × 66,445,261.20
  4. Step 4: Simplify right side
    202,755,430.80x = 20,203,246,226,666,316
  5. Step 5: Solve for x
    x = 20,203,246,226,666,316/202,755,430.80
  6. Step 6: Final answer
    x = 99,643,428.28

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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.