Home / 100,641,315.60-150,961,973.40-98,940,704.40

Finding the Fourth Proportional to 100,641,315.60, 150,961,973.40 and 98,940,704.40

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Solution

The fourth proportional to 100,641,315.60, 150,961,973.40 and 98,940,704.40 is: 148,411,056.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,641,315.60 : 150,961,973.40 = 98,940,704.40 : x
  2. Step 2: Convert to fraction form
    100,641,315.60/150,961,973.40 = 98,940,704.40/x
  3. Step 3: Cross multiply
    100,641,315.60x = 150,961,973.40 × 98,940,704.40
  4. Step 4: Simplify right side
    100,641,315.60x = 14,936,283,985,810,064
  5. Step 5: Solve for x
    x = 14,936,283,985,810,064/100,641,315.60
  6. Step 6: Final answer
    x = 148,411,056.60

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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.