Home / 124,713,826.80-186,971,207.40-52,851,145.20

Finding the Fourth Proportional to 124,713,826.80, 186,971,207.40 and 52,851,145.20

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Solution

The fourth proportional to 124,713,826.80, 186,971,207.40 and 52,851,145.20 is: 79,234,537.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,713,826.80 : 186,971,207.40 = 52,851,145.20 : x
  2. Step 2: Convert to fraction form
    124,713,826.80/186,971,207.40 = 52,851,145.20/x
  3. Step 3: Cross multiply
    124,713,826.80x = 186,971,207.40 × 52,851,145.20
  4. Step 4: Simplify right side
    124,713,826.80x = 9,881,642,430,516,716
  5. Step 5: Solve for x
    x = 9,881,642,430,516,716/124,713,826.80
  6. Step 6: Final answer
    x = 79,234,537.85

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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.