Home / 82,934,539.20-124,401,808.80-52,776,100.80

Finding the Fourth Proportional to 82,934,539.20, 124,401,808.80 and 52,776,100.80

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Solution

The fourth proportional to 82,934,539.20, 124,401,808.80 and 52,776,100.80 is: 79,164,151.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,934,539.20 : 124,401,808.80 = 52,776,100.80 : x
  2. Step 2: Convert to fraction form
    82,934,539.20/124,401,808.80 = 52,776,100.80/x
  3. Step 3: Cross multiply
    82,934,539.20x = 124,401,808.80 × 52,776,100.80
  4. Step 4: Simplify right side
    82,934,539.20x = 6,565,442,400,931,127
  5. Step 5: Solve for x
    x = 6,565,442,400,931,127/82,934,539.20
  6. Step 6: Final answer
    x = 79,164,151.20

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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.