Home / 77,307,570.21-106,684,515.13-42,500,852.85

Finding the Fourth Proportional to 77,307,570.21, 106,684,515.13 and 42,500,852.85

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Solution

The fourth proportional to 77,307,570.21, 106,684,515.13 and 42,500,852.85 is: 58,651,214.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,307,570.21 : 106,684,515.13 = 42,500,852.85 : x
  2. Step 2: Convert to fraction form
    77,307,570.21/106,684,515.13 = 42,500,852.85/x
  3. Step 3: Cross multiply
    77,307,570.21x = 106,684,515.13 × 42,500,852.85
  4. Step 4: Simplify right side
    77,307,570.21x = 4,534,182,879,287,020
  5. Step 5: Solve for x
    x = 4,534,182,879,287,020/77,307,570.21
  6. Step 6: Final answer
    x = 58,651,214.45

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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.