Home / 124,621,010.80-186,931,516.20-70,873,298.80

Finding the Fourth Proportional to 124,621,010.80, 186,931,516.20 and 70,873,298.80

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Solution

The fourth proportional to 124,621,010.80, 186,931,516.20 and 70,873,298.80 is: 106,309,948.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,621,010.80 : 186,931,516.20 = 70,873,298.80 : x
  2. Step 2: Convert to fraction form
    124,621,010.80/186,931,516.20 = 70,873,298.80/x
  3. Step 3: Cross multiply
    124,621,010.80x = 186,931,516.20 × 70,873,298.80
  4. Step 4: Simplify right side
    124,621,010.80x = 13,248,453,202,779,640
  5. Step 5: Solve for x
    x = 13,248,453,202,779,640/124,621,010.80
  6. Step 6: Final answer
    x = 106,309,948.20

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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.