Home / 119,136,128.34-164,414,880.01-89,715,554.58

Finding the Fourth Proportional to 119,136,128.34, 164,414,880.01 and 89,715,554.58

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Solution

The fourth proportional to 119,136,128.34, 164,414,880.01 and 89,715,554.58 is: 123,812,753.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,136,128.34 : 164,414,880.01 = 89,715,554.58 : x
  2. Step 2: Convert to fraction form
    119,136,128.34/164,414,880.01 = 89,715,554.58/x
  3. Step 3: Cross multiply
    119,136,128.34x = 164,414,880.01 × 89,715,554.58
  4. Step 4: Simplify right side
    119,136,128.34x = 14,750,572,141,301,304
  5. Step 5: Solve for x
    x = 14,750,572,141,301,304/119,136,128.34
  6. Step 6: Final answer
    x = 123,812,753.92

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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.