Home / 109,874,459.40-164,528,253.90-87,199,643.40

Finding the Fourth Proportional to 109,874,459.40, 164,528,253.90 and 87,199,643.40

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Solution

The fourth proportional to 109,874,459.40, 164,528,253.90 and 87,199,643.40 is: 130,574,522.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,874,459.40 : 164,528,253.90 = 87,199,643.40 : x
  2. Step 2: Convert to fraction form
    109,874,459.40/164,528,253.90 = 87,199,643.40/x
  3. Step 3: Cross multiply
    109,874,459.40x = 164,528,253.90 × 87,199,643.40
  4. Step 4: Simplify right side
    109,874,459.40x = 14,346,805,069,304,660
  5. Step 5: Solve for x
    x = 14,346,805,069,304,660/109,874,459.40
  6. Step 6: Final answer
    x = 130,574,522.48

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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.