Home / 189,156,114.81-283,746,142.40-79,960,930.11

Finding the Fourth Proportional to 189,156,114.81, 283,746,142.40 and 79,960,930.11

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Solution

The fourth proportional to 189,156,114.81, 283,746,142.40 and 79,960,930.11 is: 119,946,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,156,114.81 : 283,746,142.40 = 79,960,930.11 : x
  2. Step 2: Convert to fraction form
    189,156,114.81/283,746,142.40 = 79,960,930.11/x
  3. Step 3: Cross multiply
    189,156,114.81x = 283,746,142.40 × 79,960,930.11
  4. Step 4: Simplify right side
    189,156,114.81x = 22,688,605,461,028,700
  5. Step 5: Solve for x
    x = 22,688,605,461,028,700/189,156,114.81
  6. Step 6: Final answer
    x = 119,946,455.25

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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.