Home / 286,143,690.30-429,215,535.45-70,732,938.30

Finding the Fourth Proportional to 286,143,690.30, 429,215,535.45 and 70,732,938.30

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Solution

The fourth proportional to 286,143,690.30, 429,215,535.45 and 70,732,938.30 is: 106,099,407.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    286,143,690.30 : 429,215,535.45 = 70,732,938.30 : x
  2. Step 2: Convert to fraction form
    286,143,690.30/429,215,535.45 = 70,732,938.30/x
  3. Step 3: Cross multiply
    286,143,690.30x = 429,215,535.45 × 70,732,938.30
  4. Step 4: Simplify right side
    286,143,690.30x = 30,359,675,986,386,312
  5. Step 5: Solve for x
    x = 30,359,675,986,386,312/286,143,690.30
  6. Step 6: Final answer
    x = 106,099,407.45

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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.