Home / 90,960,277.61-125,537,984.93-57,909,969.11

Finding the Fourth Proportional to 90,960,277.61, 125,537,984.93 and 57,909,969.11

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Solution

The fourth proportional to 90,960,277.61, 125,537,984.93 and 57,909,969.11 is: 79,923,907.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,960,277.61 : 125,537,984.93 = 57,909,969.11 : x
  2. Step 2: Convert to fraction form
    90,960,277.61/125,537,984.93 = 57,909,969.11/x
  3. Step 3: Cross multiply
    90,960,277.61x = 125,537,984.93 × 57,909,969.11
  4. Step 4: Simplify right side
    90,960,277.61x = 7,269,900,829,138,395
  5. Step 5: Solve for x
    x = 7,269,900,829,138,395/90,960,277.61
  6. Step 6: Final answer
    x = 79,923,907.67

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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.