Home / 130,521,057.96-180,120,266.28-70,982,920.02

Finding the Fourth Proportional to 130,521,057.96, 180,120,266.28 and 70,982,920.02

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Solution

The fourth proportional to 130,521,057.96, 180,120,266.28 and 70,982,920.02 is: 97,957,085.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,521,057.96 : 180,120,266.28 = 70,982,920.02 : x
  2. Step 2: Convert to fraction form
    130,521,057.96/180,120,266.28 = 70,982,920.02/x
  3. Step 3: Cross multiply
    130,521,057.96x = 180,120,266.28 × 70,982,920.02
  4. Step 4: Simplify right side
    130,521,057.96x = 12,785,462,455,334,342
  5. Step 5: Solve for x
    x = 12,785,462,455,334,342/130,521,057.96
  6. Step 6: Final answer
    x = 97,957,085.66

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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.