Home / 134,791,994,688.45-186,018,799,849.64-74,644,963,771.20

Finding the Fourth Proportional to 134,791,994,688.45, 186,018,799,849.64 and 74,644,963,771.20

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Solution

The fourth proportional to 134,791,994,688.45, 186,018,799,849.64 and 74,644,963,771.20 is: 103,013,288,048.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,791,994,688.45 : 186,018,799,849.64 = 74,644,963,771.20 : x
  2. Step 2: Convert to fraction form
    134,791,994,688.45/186,018,799,849.64 = 74,644,963,771.20/x
  3. Step 3: Cross multiply
    134,791,994,688.45x = 186,018,799,849.64 × 74,644,963,771.20
  4. Step 4: Simplify right side
    134,791,994,688.45x = 13,885,366,575,538,481,659,904
  5. Step 5: Solve for x
    x = 13,885,366,575,538,481,659,904/134,791,994,688.45
  6. Step 6: Final answer
    x = 103,013,288,048.98

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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.