Home / 153,829,742.64-212,251,108.87-91,074,679.77

Finding the Fourth Proportional to 153,829,742.64, 212,251,108.87 and 91,074,679.77

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Solution

The fourth proportional to 153,829,742.64, 212,251,108.87 and 91,074,679.77 is: 125,662,966.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,829,742.64 : 212,251,108.87 = 91,074,679.77 : x
  2. Step 2: Convert to fraction form
    153,829,742.64/212,251,108.87 = 91,074,679.77/x
  3. Step 3: Cross multiply
    153,829,742.64x = 212,251,108.87 × 91,074,679.77
  4. Step 4: Simplify right side
    153,829,742.64x = 19,330,701,771,162,656
  5. Step 5: Solve for x
    x = 19,330,701,771,162,656/153,829,742.64
  6. Step 6: Final answer
    x = 125,662,966.34

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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.