Home / 90,803,030.40-125,310,840.48-49,552,581.60

Finding the Fourth Proportional to 90,803,030.40, 125,310,840.48 and 49,552,581.60

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Solution

The fourth proportional to 90,803,030.40, 125,310,840.48 and 49,552,581.60 is: 68,384,013.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,803,030.40 : 125,310,840.48 = 49,552,581.60 : x
  2. Step 2: Convert to fraction form
    90,803,030.40/125,310,840.48 = 49,552,581.60/x
  3. Step 3: Cross multiply
    90,803,030.40x = 125,310,840.48 × 49,552,581.60
  4. Step 4: Simplify right side
    90,803,030.40x = 6,209,475,648,249,784
  5. Step 5: Solve for x
    x = 6,209,475,648,249,784/90,803,030.40
  6. Step 6: Final answer
    x = 68,384,013.41

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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.