Home / 145,219,529.60-217,829,294.40-127,646,547.20

Finding the Fourth Proportional to 145,219,529.60, 217,829,294.40 and 127,646,547.20

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Solution

The fourth proportional to 145,219,529.60, 217,829,294.40 and 127,646,547.20 is: 191,469,820.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,219,529.60 : 217,829,294.40 = 127,646,547.20 : x
  2. Step 2: Convert to fraction form
    145,219,529.60/217,829,294.40 = 127,646,547.20/x
  3. Step 3: Cross multiply
    145,219,529.60x = 217,829,294.40 × 127,646,547.20
  4. Step 4: Simplify right side
    145,219,529.60x = 27,805,157,309,172,296
  5. Step 5: Solve for x
    x = 27,805,157,309,172,296/145,219,529.60
  6. Step 6: Final answer
    x = 191,469,820.80

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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.