Home / 81,124,226.78-111,956,925.63-45,829,790.67

Finding the Fourth Proportional to 81,124,226.78, 111,956,925.63 and 45,829,790.67

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Solution

The fourth proportional to 81,124,226.78, 111,956,925.63 and 45,829,790.67 is: 63,248,214.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,124,226.78 : 111,956,925.63 = 45,829,790.67 : x
  2. Step 2: Convert to fraction form
    81,124,226.78/111,956,925.63 = 45,829,790.67/x
  3. Step 3: Cross multiply
    81,124,226.78x = 111,956,925.63 × 45,829,790.67
  4. Step 4: Simplify right side
    81,124,226.78x = 5,130,962,465,679,658
  5. Step 5: Solve for x
    x = 5,130,962,465,679,658/81,124,226.78
  6. Step 6: Final answer
    x = 63,248,214.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.