Home / 141,885,319.04-212,725,835.60-87,184,888.76

Finding the Fourth Proportional to 141,885,319.04, 212,725,835.60 and 87,184,888.76

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Solution

The fourth proportional to 141,885,319.04, 212,725,835.60 and 87,184,888.76 is: 130,714,568.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,885,319.04 : 212,725,835.60 = 87,184,888.76 : x
  2. Step 2: Convert to fraction form
    141,885,319.04/212,725,835.60 = 87,184,888.76/x
  3. Step 3: Cross multiply
    141,885,319.04x = 212,725,835.60 × 87,184,888.76
  4. Step 4: Simplify right side
    141,885,319.04x = 18,546,478,312,100,416
  5. Step 5: Solve for x
    x = 18,546,478,312,100,416/141,885,319.04
  6. Step 6: Final answer
    x = 130,714,568.90

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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.