Home / 109,017,681.80-163,526,522.70-89,534,136.20

Finding the Fourth Proportional to 109,017,681.80, 163,526,522.70 and 89,534,136.20

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Solution

The fourth proportional to 109,017,681.80, 163,526,522.70 and 89,534,136.20 is: 134,301,204.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,017,681.80 : 163,526,522.70 = 89,534,136.20 : x
  2. Step 2: Convert to fraction form
    109,017,681.80/163,526,522.70 = 89,534,136.20/x
  3. Step 3: Cross multiply
    109,017,681.80x = 163,526,522.70 × 89,534,136.20
  4. Step 4: Simplify right side
    109,017,681.80x = 14,641,205,955,734,192
  5. Step 5: Solve for x
    x = 14,641,205,955,734,192/109,017,681.80
  6. Step 6: Final answer
    x = 134,301,204.30

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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.