Home / 39,169,312.40-58,716,643.80-30,528,621.20

Finding the Fourth Proportional to 39,169,312.40, 58,716,643.80 and 30,528,621.20

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Solution

The fourth proportional to 39,169,312.40, 58,716,643.80 and 30,528,621.20 is: 45,763,840.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,169,312.40 : 58,716,643.80 = 30,528,621.20 : x
  2. Step 2: Convert to fraction form
    39,169,312.40/58,716,643.80 = 30,528,621.20/x
  3. Step 3: Cross multiply
    39,169,312.40x = 58,716,643.80 × 30,528,621.20
  4. Step 4: Simplify right side
    39,169,312.40x = 1,792,538,176,705,528.50
  5. Step 5: Solve for x
    x = 1,792,538,176,705,528.50/39,169,312.40
  6. Step 6: Final answer
    x = 45,763,840.79

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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.