Home / 103,800,981-155,701,623-42,390,140.46

Finding the Fourth Proportional to 103,800,981, 155,701,623 and 42,390,140.46

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Solution

The fourth proportional to 103,800,981, 155,701,623 and 42,390,140.46 is: 63,585,272.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,800,981 : 155,701,623 = 42,390,140.46 : x
  2. Step 2: Convert to fraction form
    103,800,981/155,701,623 = 42,390,140.46/x
  3. Step 3: Cross multiply
    103,800,981x = 155,701,623 × 42,390,140.46
  4. Step 4: Simplify right side
    103,800,981x = 6,600,213,668,819,967
  5. Step 5: Solve for x
    x = 6,600,213,668,819,967/103,800,981
  6. Step 6: Final answer
    x = 63,585,272.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.