Home / 189,218,155.40-283,827,233.10-52,903,320.20

Finding the Fourth Proportional to 189,218,155.40, 283,827,233.10 and 52,903,320.20

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Solution

The fourth proportional to 189,218,155.40, 283,827,233.10 and 52,903,320.20 is: 79,354,980.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,218,155.40 : 283,827,233.10 = 52,903,320.20 : x
  2. Step 2: Convert to fraction form
    189,218,155.40/283,827,233.10 = 52,903,320.20/x
  3. Step 3: Cross multiply
    189,218,155.40x = 283,827,233.10 × 52,903,320.20
  4. Step 4: Simplify right side
    189,218,155.40x = 15,015,402,994,169,340
  5. Step 5: Solve for x
    x = 15,015,402,994,169,340/189,218,155.40
  6. Step 6: Final answer
    x = 79,354,980.30

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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.