Home / 190,868,718.80-286,281,637.89-52,713,966.32

Finding the Fourth Proportional to 190,868,718.80, 286,281,637.89 and 52,713,966.32

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Solution

The fourth proportional to 190,868,718.80, 286,281,637.89 and 52,713,966.32 is: 79,065,028.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,868,718.80 : 286,281,637.89 = 52,713,966.32 : x
  2. Step 2: Convert to fraction form
    190,868,718.80/286,281,637.89 = 52,713,966.32/x
  3. Step 3: Cross multiply
    190,868,718.80x = 286,281,637.89 × 52,713,966.32
  4. Step 4: Simplify right side
    190,868,718.80x = 15,091,040,617,767,896
  5. Step 5: Solve for x
    x = 15,091,040,617,767,896/190,868,718.80
  6. Step 6: Final answer
    x = 79,065,028.11

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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.