Home / 124,620,940.80-186,931,411.20-70,873,228.80

Finding the Fourth Proportional to 124,620,940.80, 186,931,411.20 and 70,873,228.80

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Solution

The fourth proportional to 124,620,940.80, 186,931,411.20 and 70,873,228.80 is: 106,309,843.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,620,940.80 : 186,931,411.20 = 70,873,228.80 : x
  2. Step 2: Convert to fraction form
    124,620,940.80/186,931,411.20 = 70,873,228.80/x
  3. Step 3: Cross multiply
    124,620,940.80x = 186,931,411.20 × 70,873,228.80
  4. Step 4: Simplify right side
    124,620,940.80x = 13,248,432,675,884,482
  5. Step 5: Solve for x
    x = 13,248,432,675,884,482/124,620,940.80
  6. Step 6: Final answer
    x = 106,309,843.20

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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.