Home / 383,345,117.10-575,017,675.65-140,976,528.30

Finding the Fourth Proportional to 383,345,117.10, 575,017,675.65 and 140,976,528.30

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Solution

The fourth proportional to 383,345,117.10, 575,017,675.65 and 140,976,528.30 is: 211,464,792.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,345,117.10 : 575,017,675.65 = 140,976,528.30 : x
  2. Step 2: Convert to fraction form
    383,345,117.10/575,017,675.65 = 140,976,528.30/x
  3. Step 3: Cross multiply
    383,345,117.10x = 575,017,675.65 × 140,976,528.30
  4. Step 4: Simplify right side
    383,345,117.10x = 81,063,995,624,272,448
  5. Step 5: Solve for x
    x = 81,063,995,624,272,448/383,345,117.10
  6. Step 6: Final answer
    x = 211,464,792.45

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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.