Home / 113,315,250.60-169,972,875.90-78,877,873.80

Finding the Fourth Proportional to 113,315,250.60, 169,972,875.90 and 78,877,873.80

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Solution

The fourth proportional to 113,315,250.60, 169,972,875.90 and 78,877,873.80 is: 118,316,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,315,250.60 : 169,972,875.90 = 78,877,873.80 : x
  2. Step 2: Convert to fraction form
    113,315,250.60/169,972,875.90 = 78,877,873.80/x
  3. Step 3: Cross multiply
    113,315,250.60x = 169,972,875.90 × 78,877,873.80
  4. Step 4: Simplify right side
    113,315,250.60x = 13,407,099,054,663,262
  5. Step 5: Solve for x
    x = 13,407,099,054,663,262/113,315,250.60
  6. Step 6: Final answer
    x = 118,316,810.70

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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.