Home / 43,012,145.60-64,518,218.40-29,387,211.20

Finding the Fourth Proportional to 43,012,145.60, 64,518,218.40 and 29,387,211.20

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Solution

The fourth proportional to 43,012,145.60, 64,518,218.40 and 29,387,211.20 is: 44,080,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,012,145.60 : 64,518,218.40 = 29,387,211.20 : x
  2. Step 2: Convert to fraction form
    43,012,145.60/64,518,218.40 = 29,387,211.20/x
  3. Step 3: Cross multiply
    43,012,145.60x = 64,518,218.40 × 29,387,211.20
  4. Step 4: Simplify right side
    43,012,145.60x = 1,896,010,510,368,526
  5. Step 5: Solve for x
    x = 1,896,010,510,368,526/43,012,145.60
  6. Step 6: Final answer
    x = 44,080,816.80

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1.5x scale

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.