Home / 152,454,549.84-210,388,607.40-82,839,931.92

Finding the Fourth Proportional to 152,454,549.84, 210,388,607.40 and 82,839,931.92

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Solution

The fourth proportional to 152,454,549.84, 210,388,607.40 and 82,839,931.92 is: 114,319,827.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,454,549.84 : 210,388,607.40 = 82,839,931.92 : x
  2. Step 2: Convert to fraction form
    152,454,549.84/210,388,607.40 = 82,839,931.92/x
  3. Step 3: Cross multiply
    152,454,549.84x = 210,388,607.40 × 82,839,931.92
  4. Step 4: Simplify right side
    152,454,549.84x = 17,428,577,913,759,610
  5. Step 5: Solve for x
    x = 17,428,577,913,759,610/152,454,549.84
  6. Step 6: Final answer
    x = 114,319,827.99

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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.