Home / 158,524,281.60-237,786,422.40-72,430,839.60

Finding the Fourth Proportional to 158,524,281.60, 237,786,422.40 and 72,430,839.60

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Solution

The fourth proportional to 158,524,281.60, 237,786,422.40 and 72,430,839.60 is: 108,646,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,524,281.60 : 237,786,422.40 = 72,430,839.60 : x
  2. Step 2: Convert to fraction form
    158,524,281.60/237,786,422.40 = 72,430,839.60/x
  3. Step 3: Cross multiply
    158,524,281.60x = 237,786,422.40 × 72,430,839.60
  4. Step 4: Simplify right side
    158,524,281.60x = 17,223,070,219,912,246
  5. Step 5: Solve for x
    x = 17,223,070,219,912,246/158,524,281.60
  6. Step 6: Final answer
    x = 108,646,259.40

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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.