Home / 145,460,245.40-218,200,865.70-87,828,421.40

Finding the Fourth Proportional to 145,460,245.40, 218,200,865.70 and 87,828,421.40

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Solution

The fourth proportional to 145,460,245.40, 218,200,865.70 and 87,828,421.40 is: 131,748,970.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,460,245.40 : 218,200,865.70 = 87,828,421.40 : x
  2. Step 2: Convert to fraction form
    145,460,245.40/218,200,865.70 = 87,828,421.40/x
  3. Step 3: Cross multiply
    145,460,245.40x = 218,200,865.70 × 87,828,421.40
  4. Step 4: Simplify right side
    145,460,245.40x = 19,164,237,582,544,408
  5. Step 5: Solve for x
    x = 19,164,237,582,544,408/145,460,245.40
  6. Step 6: Final answer
    x = 131,748,970.52

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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.