Home / 140,242,671.34-210,354,030.16-43,188,258.72

Finding the Fourth Proportional to 140,242,671.34, 210,354,030.16 and 43,188,258.72

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Solution

The fourth proportional to 140,242,671.34, 210,354,030.16 and 43,188,258.72 is: 64,779,315.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,242,671.34 : 210,354,030.16 = 43,188,258.72 : x
  2. Step 2: Convert to fraction form
    140,242,671.34/210,354,030.16 = 43,188,258.72/x
  3. Step 3: Cross multiply
    140,242,671.34x = 210,354,030.16 × 43,188,258.72
  4. Step 4: Simplify right side
    140,242,671.34x = 9,084,824,277,344,762
  5. Step 5: Solve for x
    x = 9,084,824,277,344,762/140,242,671.34
  6. Step 6: Final answer
    x = 64,779,315.67

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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.