Home / 65,667,987.60-98,501,981.40-58,109,715.60

Finding the Fourth Proportional to 65,667,987.60, 98,501,981.40 and 58,109,715.60

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Solution

The fourth proportional to 65,667,987.60, 98,501,981.40 and 58,109,715.60 is: 87,164,573.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,667,987.60 : 98,501,981.40 = 58,109,715.60 : x
  2. Step 2: Convert to fraction form
    65,667,987.60/98,501,981.40 = 58,109,715.60/x
  3. Step 3: Cross multiply
    65,667,987.60x = 98,501,981.40 × 58,109,715.60
  4. Step 4: Simplify right side
    65,667,987.60x = 5,723,922,125,190,490
  5. Step 5: Solve for x
    x = 5,723,922,125,190,490/65,667,987.60
  6. Step 6: Final answer
    x = 87,164,573.40

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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.