Home / 130,502,245.85-180,096,512.49-70,967,023.94

Finding the Fourth Proportional to 130,502,245.85, 180,096,512.49 and 70,967,023.94

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Solution

The fourth proportional to 130,502,245.85, 180,096,512.49 and 70,967,023.94 is: 97,936,349.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,502,245.85 : 180,096,512.49 = 70,967,023.94 : x
  2. Step 2: Convert to fraction form
    130,502,245.85/180,096,512.49 = 70,967,023.94/x
  3. Step 3: Cross multiply
    130,502,245.85x = 180,096,512.49 × 70,967,023.94
  4. Step 4: Simplify right side
    130,502,245.85x = 12,780,913,513,838,580
  5. Step 5: Solve for x
    x = 12,780,913,513,838,580/130,502,245.85
  6. Step 6: Final answer
    x = 97,936,349.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.