Home / 79,127,812.40-118,691,718.60-64,767,095.60

Finding the Fourth Proportional to 79,127,812.40, 118,691,718.60 and 64,767,095.60

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Solution

The fourth proportional to 79,127,812.40, 118,691,718.60 and 64,767,095.60 is: 97,150,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,127,812.40 : 118,691,718.60 = 64,767,095.60 : x
  2. Step 2: Convert to fraction form
    79,127,812.40/118,691,718.60 = 64,767,095.60/x
  3. Step 3: Cross multiply
    79,127,812.40x = 118,691,718.60 × 64,767,095.60
  4. Step 4: Simplify right side
    79,127,812.40x = 7,687,317,885,494,498
  5. Step 5: Solve for x
    x = 7,687,317,885,494,498/79,127,812.40
  6. Step 6: Final answer
    x = 97,150,643.40

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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.