Home / 170,328,015.40-255,492,023.10-61,205,463.40

Finding the Fourth Proportional to 170,328,015.40, 255,492,023.10 and 61,205,463.40

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Solution

The fourth proportional to 170,328,015.40, 255,492,023.10 and 61,205,463.40 is: 91,808,195.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,328,015.40 : 255,492,023.10 = 61,205,463.40 : x
  2. Step 2: Convert to fraction form
    170,328,015.40/255,492,023.10 = 61,205,463.40/x
  3. Step 3: Cross multiply
    170,328,015.40x = 255,492,023.10 × 61,205,463.40
  4. Step 4: Simplify right side
    170,328,015.40x = 15,637,507,668,839,004
  5. Step 5: Solve for x
    x = 15,637,507,668,839,004/170,328,015.40
  6. Step 6: Final answer
    x = 91,808,195.10

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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.