Home / 402,283,155.55-603,283,015.73-143,506,817.95

Finding the Fourth Proportional to 402,283,155.55, 603,283,015.73 and 143,506,817.95

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Solution

The fourth proportional to 402,283,155.55, 603,283,015.73 and 143,506,817.95 is: 215,209,671.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,283,155.55 : 603,283,015.73 = 143,506,817.95 : x
  2. Step 2: Convert to fraction form
    402,283,155.55/603,283,015.73 = 143,506,817.95/x
  3. Step 3: Cross multiply
    402,283,155.55x = 603,283,015.73 × 143,506,817.95
  4. Step 4: Simplify right side
    402,283,155.55x = 86,575,225,909,974,560
  5. Step 5: Solve for x
    x = 86,575,225,909,974,560/402,283,155.55
  6. Step 6: Final answer
    x = 215,209,671.88

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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.