Home / 103,486,374.45-155,229,561.68-98,447,526.45

Finding the Fourth Proportional to 103,486,374.45, 155,229,561.68 and 98,447,526.45

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Solution

The fourth proportional to 103,486,374.45, 155,229,561.68 and 98,447,526.45 is: 147,671,289.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,486,374.45 : 155,229,561.68 = 98,447,526.45 : x
  2. Step 2: Convert to fraction form
    103,486,374.45/155,229,561.68 = 98,447,526.45/x
  3. Step 3: Cross multiply
    103,486,374.45x = 155,229,561.68 × 98,447,526.45
  4. Step 4: Simplify right side
    103,486,374.45x = 15,281,966,378,821,470
  5. Step 5: Solve for x
    x = 15,281,966,378,821,470/103,486,374.45
  6. Step 6: Final answer
    x = 147,671,289.68

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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.