Home / 105,985,280.40-158,977,920.60-88,069,376.40

Finding the Fourth Proportional to 105,985,280.40, 158,977,920.60 and 88,069,376.40

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Solution

The fourth proportional to 105,985,280.40, 158,977,920.60 and 88,069,376.40 is: 132,104,064.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,985,280.40 : 158,977,920.60 = 88,069,376.40 : x
  2. Step 2: Convert to fraction form
    105,985,280.40/158,977,920.60 = 88,069,376.40/x
  3. Step 3: Cross multiply
    105,985,280.40x = 158,977,920.60 × 88,069,376.40
  4. Step 4: Simplify right side
    105,985,280.40x = 14,001,086,328,610,714
  5. Step 5: Solve for x
    x = 14,001,086,328,610,714/105,985,280.40
  6. Step 6: Final answer
    x = 132,104,064.60

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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.