Home / 65,308,909.79-90,106,002.33-37,046,628.30

Finding the Fourth Proportional to 65,308,909.79, 90,106,002.33 and 37,046,628.30

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Solution

The fourth proportional to 65,308,909.79, 90,106,002.33 and 37,046,628.30 is: 51,112,835.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,308,909.79 : 90,106,002.33 = 37,046,628.30 : x
  2. Step 2: Convert to fraction form
    65,308,909.79/90,106,002.33 = 37,046,628.30/x
  3. Step 3: Cross multiply
    65,308,909.79x = 90,106,002.33 × 37,046,628.30
  4. Step 4: Simplify right side
    65,308,909.79x = 3,338,123,575,818,957.50
  5. Step 5: Solve for x
    x = 3,338,123,575,818,957.50/65,308,909.79
  6. Step 6: Final answer
    x = 51,112,835.70

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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.