Home / 126,426,164,562.55-189,563,514,579.45-40,239,186,995.13

Finding the Fourth Proportional to 126,426,164,562.55, 189,563,514,579.45 and 40,239,186,995.13

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Solution

The fourth proportional to 126,426,164,562.55, 189,563,514,579.45 and 40,239,186,995.13 is: 60,334,676,267.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,426,164,562.55 : 189,563,514,579.45 = 40,239,186,995.13 : x
  2. Step 2: Convert to fraction form
    126,426,164,562.55/189,563,514,579.45 = 40,239,186,995.13/x
  3. Step 3: Cross multiply
    126,426,164,562.55x = 189,563,514,579.45 × 40,239,186,995.13
  4. Step 4: Simplify right side
    126,426,164,562.55x = 7,627,881,710,616,540,348,416
  5. Step 5: Solve for x
    x = 7,627,881,710,616,540,348,416/126,426,164,562.55
  6. Step 6: Final answer
    x = 60,334,676,267.45

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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.