Home / 157,128,304.40-235,692,456.60-89,103,856.40

Finding the Fourth Proportional to 157,128,304.40, 235,692,456.60 and 89,103,856.40

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Solution

The fourth proportional to 157,128,304.40, 235,692,456.60 and 89,103,856.40 is: 133,655,784.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,128,304.40 : 235,692,456.60 = 89,103,856.40 : x
  2. Step 2: Convert to fraction form
    157,128,304.40/235,692,456.60 = 89,103,856.40/x
  3. Step 3: Cross multiply
    157,128,304.40x = 235,692,456.60 × 89,103,856.40
  4. Step 4: Simplify right side
    157,128,304.40x = 21,001,106,807,449,632
  5. Step 5: Solve for x
    x = 21,001,106,807,449,632/157,128,304.40
  6. Step 6: Final answer
    x = 133,655,784.60

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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.