Home / 139,908,419.79-209,581,574.21-69,667,033.13

Finding the Fourth Proportional to 139,908,419.79, 209,581,574.21 and 69,667,033.13

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Solution

The fourth proportional to 139,908,419.79, 209,581,574.21 and 69,667,033.13 is: 104,360,598.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,908,419.79 : 209,581,574.21 = 69,667,033.13 : x
  2. Step 2: Convert to fraction form
    139,908,419.79/209,581,574.21 = 69,667,033.13/x
  3. Step 3: Cross multiply
    139,908,419.79x = 209,581,574.21 × 69,667,033.13
  4. Step 4: Simplify right side
    139,908,419.79x = 14,600,926,472,529,382
  5. Step 5: Solve for x
    x = 14,600,926,472,529,382/139,908,419.79
  6. Step 6: Final answer
    x = 104,360,598.85

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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.