Home / 173,869,165.40-260,803,748.10-155,729,312.60

Finding the Fourth Proportional to 173,869,165.40, 260,803,748.10 and 155,729,312.60

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Solution

The fourth proportional to 173,869,165.40, 260,803,748.10 and 155,729,312.60 is: 233,593,968.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,869,165.40 : 260,803,748.10 = 155,729,312.60 : x
  2. Step 2: Convert to fraction form
    173,869,165.40/260,803,748.10 = 155,729,312.60/x
  3. Step 3: Cross multiply
    173,869,165.40x = 260,803,748.10 × 155,729,312.60
  4. Step 4: Simplify right side
    173,869,165.40x = 40,614,788,415,116,552
  5. Step 5: Solve for x
    x = 40,614,788,415,116,552/173,869,165.40
  6. Step 6: Final answer
    x = 233,593,968.90

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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.