Home / 109,316,521.80-163,862,808.30-63,854,915.40

Finding the Fourth Proportional to 109,316,521.80, 163,862,808.30 and 63,854,915.40

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Solution

The fourth proportional to 109,316,521.80, 163,862,808.30 and 63,854,915.40 is: 95,716,965.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,316,521.80 : 163,862,808.30 = 63,854,915.40 : x
  2. Step 2: Convert to fraction form
    109,316,521.80/163,862,808.30 = 63,854,915.40/x
  3. Step 3: Cross multiply
    109,316,521.80x = 163,862,808.30 × 63,854,915.40
  4. Step 4: Simplify right side
    109,316,521.80x = 10,463,445,761,202,918
  5. Step 5: Solve for x
    x = 10,463,445,761,202,918/109,316,521.80
  6. Step 6: Final answer
    x = 95,716,965.64

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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.