Home / 157,470,522.84-217,321,646.90-86,920,141.91

Finding the Fourth Proportional to 157,470,522.84, 217,321,646.90 and 86,920,141.91

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Solution

The fourth proportional to 157,470,522.84, 217,321,646.90 and 86,920,141.91 is: 119,956,599.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,470,522.84 : 217,321,646.90 = 86,920,141.91 : x
  2. Step 2: Convert to fraction form
    157,470,522.84/217,321,646.90 = 86,920,141.91/x
  3. Step 3: Cross multiply
    157,470,522.84x = 217,321,646.90 × 86,920,141.91
  4. Step 4: Simplify right side
    157,470,522.84x = 18,889,628,387,141,704
  5. Step 5: Solve for x
    x = 18,889,628,387,141,704/157,470,522.84
  6. Step 6: Final answer
    x = 119,956,599.16

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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.