Home / 65,249,755.40-90,045,130.82-35,480,190.12

Finding the Fourth Proportional to 65,249,755.40, 90,045,130.82 and 35,480,190.12

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Solution

The fourth proportional to 65,249,755.40, 90,045,130.82 and 35,480,190.12 is: 48,962,917.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,249,755.40 : 90,045,130.82 = 35,480,190.12 : x
  2. Step 2: Convert to fraction form
    65,249,755.40/90,045,130.82 = 35,480,190.12/x
  3. Step 3: Cross multiply
    65,249,755.40x = 90,045,130.82 × 35,480,190.12
  4. Step 4: Simplify right side
    65,249,755.40x = 3,194,818,360,873,871
  5. Step 5: Solve for x
    x = 3,194,818,360,873,871/65,249,755.40
  6. Step 6: Final answer
    x = 48,962,917.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.