Home / 124,612,000.40-186,862,013.40-47,909,536.40

Finding the Fourth Proportional to 124,612,000.40, 186,862,013.40 and 47,909,536.40

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Solution

The fourth proportional to 124,612,000.40, 186,862,013.40 and 47,909,536.40 is: 71,842,779.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,612,000.40 : 186,862,013.40 = 47,909,536.40 : x
  2. Step 2: Convert to fraction form
    124,612,000.40/186,862,013.40 = 47,909,536.40/x
  3. Step 3: Cross multiply
    124,612,000.40x = 186,862,013.40 × 47,909,536.40
  4. Step 4: Simplify right side
    124,612,000.40x = 8,952,472,432,764,588
  5. Step 5: Solve for x
    x = 8,952,472,432,764,588/124,612,000.40
  6. Step 6: Final answer
    x = 71,842,779.22

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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.