Home / 147,745,066.65-221,617,599.98-86,523,063.45

Finding the Fourth Proportional to 147,745,066.65, 221,617,599.98 and 86,523,063.45

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Solution

The fourth proportional to 147,745,066.65, 221,617,599.98 and 86,523,063.45 is: 129,784,595.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,745,066.65 : 221,617,599.98 = 86,523,063.45 : x
  2. Step 2: Convert to fraction form
    147,745,066.65/221,617,599.98 = 86,523,063.45/x
  3. Step 3: Cross multiply
    147,745,066.65x = 221,617,599.98 × 86,523,063.45
  4. Step 4: Simplify right side
    147,745,066.65x = 19,175,033,664,273,644
  5. Step 5: Solve for x
    x = 19,175,033,664,273,644/147,745,066.65
  6. Step 6: Final answer
    x = 129,784,595.18

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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.