Home / 157,464,138.40-236,196,207.60-89,439,690.40

Finding the Fourth Proportional to 157,464,138.40, 236,196,207.60 and 89,439,690.40

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Solution

The fourth proportional to 157,464,138.40, 236,196,207.60 and 89,439,690.40 is: 134,159,535.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,464,138.40 : 236,196,207.60 = 89,439,690.40 : x
  2. Step 2: Convert to fraction form
    157,464,138.40/236,196,207.60 = 89,439,690.40/x
  3. Step 3: Cross multiply
    157,464,138.40x = 236,196,207.60 × 89,439,690.40
  4. Step 4: Simplify right side
    157,464,138.40x = 21,125,315,681,398,128
  5. Step 5: Solve for x
    x = 21,125,315,681,398,128/157,464,138.40
  6. Step 6: Final answer
    x = 134,159,535.60

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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.