Home / 190,811,115.81-286,262,338.28-61,430,820.21

Finding the Fourth Proportional to 190,811,115.81, 286,262,338.28 and 61,430,820.21

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Solution

The fourth proportional to 190,811,115.81, 286,262,338.28 and 61,430,820.21 is: 92,160,931.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,811,115.81 : 286,262,338.28 = 61,430,820.21 : x
  2. Step 2: Convert to fraction form
    190,811,115.81/286,262,338.28 = 61,430,820.21/x
  3. Step 3: Cross multiply
    190,811,115.81x = 286,262,338.28 × 61,430,820.21
  4. Step 4: Simplify right side
    190,811,115.81x = 17,585,330,235,465,726
  5. Step 5: Solve for x
    x = 17,585,330,235,465,726/190,811,115.81
  6. Step 6: Final answer
    x = 92,160,931.82

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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.