Home / 129,301,199.40-178,439,434.56-70,567,634.02

Finding the Fourth Proportional to 129,301,199.40, 178,439,434.56 and 70,567,634.02

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Solution

The fourth proportional to 129,301,199.40, 178,439,434.56 and 70,567,634.02 is: 97,385,397.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,301,199.40 : 178,439,434.56 = 70,567,634.02 : x
  2. Step 2: Convert to fraction form
    129,301,199.40/178,439,434.56 = 70,567,634.02/x
  3. Step 3: Cross multiply
    129,301,199.40x = 178,439,434.56 × 70,567,634.02
  4. Step 4: Simplify right side
    129,301,199.40x = 12,592,048,712,765,820
  5. Step 5: Solve for x
    x = 12,592,048,712,765,820/129,301,199.40
  6. Step 6: Final answer
    x = 97,385,397.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.