Home / 145,667,775.71-201,019,184.28-79,586,854.67

Finding the Fourth Proportional to 145,667,775.71, 201,019,184.28 and 79,586,854.67

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Solution

The fourth proportional to 145,667,775.71, 201,019,184.28 and 79,586,854.67 is: 109,828,577.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,667,775.71 : 201,019,184.28 = 79,586,854.67 : x
  2. Step 2: Convert to fraction form
    145,667,775.71/201,019,184.28 = 79,586,854.67/x
  3. Step 3: Cross multiply
    145,667,775.71x = 201,019,184.28 × 79,586,854.67
  4. Step 4: Simplify right side
    145,667,775.71x = 15,998,484,604,169,214
  5. Step 5: Solve for x
    x = 15,998,484,604,169,214/145,667,775.71
  6. Step 6: Final answer
    x = 109,828,577.57

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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.