Home / 153,128,938.32-229,692,226.50-38,112,708.06

Finding the Fourth Proportional to 153,128,938.32, 229,692,226.50 and 38,112,708.06

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Solution

The fourth proportional to 153,128,938.32, 229,692,226.50 and 38,112,708.06 is: 57,168,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,128,938.32 : 229,692,226.50 = 38,112,708.06 : x
  2. Step 2: Convert to fraction form
    153,128,938.32/229,692,226.50 = 38,112,708.06/x
  3. Step 3: Cross multiply
    153,128,938.32x = 229,692,226.50 × 38,112,708.06
  4. Step 4: Simplify right side
    153,128,938.32x = 8,754,192,772,245,896
  5. Step 5: Solve for x
    x = 8,754,192,772,245,896/153,128,938.32
  6. Step 6: Final answer
    x = 57,168,768.15

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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.