Home / 65,119,981.60-97,679,972.40-26,808,990.40

Finding the Fourth Proportional to 65,119,981.60, 97,679,972.40 and 26,808,990.40

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Solution

The fourth proportional to 65,119,981.60, 97,679,972.40 and 26,808,990.40 is: 40,213,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,119,981.60 : 97,679,972.40 = 26,808,990.40 : x
  2. Step 2: Convert to fraction form
    65,119,981.60/97,679,972.40 = 26,808,990.40/x
  3. Step 3: Cross multiply
    65,119,981.60x = 97,679,972.40 × 26,808,990.40
  4. Step 4: Simplify right side
    65,119,981.60x = 2,618,701,442,343,865
  5. Step 5: Solve for x
    x = 2,618,701,442,343,865/65,119,981.60
  6. Step 6: Final answer
    x = 40,213,485.60

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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.