Home / 126,426,164,515.83-189,563,514,509.49-40,239,186,948.43

Finding the Fourth Proportional to 126,426,164,515.83, 189,563,514,509.49 and 40,239,186,948.43

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Solution

The fourth proportional to 126,426,164,515.83, 189,563,514,509.49 and 40,239,186,948.43 is: 60,334,676,197.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,426,164,515.83 : 189,563,514,509.49 = 40,239,186,948.43 : x
  2. Step 2: Convert to fraction form
    126,426,164,515.83/189,563,514,509.49 = 40,239,186,948.43/x
  3. Step 3: Cross multiply
    126,426,164,515.83x = 189,563,514,509.49 × 40,239,186,948.43
  4. Step 4: Simplify right side
    126,426,164,515.83x = 7,627,881,698,949,547,950,080
  5. Step 5: Solve for x
    x = 7,627,881,698,949,547,950,080/126,426,164,515.83
  6. Step 6: Final answer
    x = 60,334,676,197.46

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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.