Home / 54,134,444.34-74,698,628.49-30,931,074.18

Finding the Fourth Proportional to 54,134,444.34, 74,698,628.49 and 30,931,074.18

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Solution

The fourth proportional to 54,134,444.34, 74,698,628.49 and 30,931,074.18 is: 42,680,937.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,134,444.34 : 74,698,628.49 = 30,931,074.18 : x
  2. Step 2: Convert to fraction form
    54,134,444.34/74,698,628.49 = 30,931,074.18/x
  3. Step 3: Cross multiply
    54,134,444.34x = 74,698,628.49 × 30,931,074.18
  4. Step 4: Simplify right side
    54,134,444.34x = 2,310,508,818,968,451
  5. Step 5: Solve for x
    x = 2,310,508,818,968,451/54,134,444.34
  6. Step 6: Final answer
    x = 42,680,937.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.