Home / 77,392,379.13-106,798,281.13-42,110,329.45

Finding the Fourth Proportional to 77,392,379.13, 106,798,281.13 and 42,110,329.45

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Solution

The fourth proportional to 77,392,379.13, 106,798,281.13 and 42,110,329.45 is: 58,110,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,392,379.13 : 106,798,281.13 = 42,110,329.45 : x
  2. Step 2: Convert to fraction form
    77,392,379.13/106,798,281.13 = 42,110,329.45/x
  3. Step 3: Cross multiply
    77,392,379.13x = 106,798,281.13 × 42,110,329.45
  4. Step 4: Simplify right side
    77,392,379.13x = 4,497,310,803,163,020
  5. Step 5: Solve for x
    x = 4,497,310,803,163,020/77,392,379.13
  6. Step 6: Final answer
    x = 58,110,512.35

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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.