Home / 149,017,457.16-205,650,854.70-82,942,180.20

Finding the Fourth Proportional to 149,017,457.16, 205,650,854.70 and 82,942,180.20

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Solution

The fourth proportional to 149,017,457.16, 205,650,854.70 and 82,942,180.20 is: 114,463,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,017,457.16 : 205,650,854.70 = 82,942,180.20 : x
  2. Step 2: Convert to fraction form
    149,017,457.16/205,650,854.70 = 82,942,180.20/x
  3. Step 3: Cross multiply
    149,017,457.16x = 205,650,854.70 × 82,942,180.20
  4. Step 4: Simplify right side
    149,017,457.16x = 17,057,130,248,811,416
  5. Step 5: Solve for x
    x = 17,057,130,248,811,416/149,017,457.16
  6. Step 6: Final answer
    x = 114,463,973.38

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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.