Home / 107,994,076,719.52-149,031,774,037.38-64,590,360,829.78

Finding the Fourth Proportional to 107,994,076,719.52, 149,031,774,037.38 and 64,590,360,829.78

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Solution

The fourth proportional to 107,994,076,719.52, 149,031,774,037.38 and 64,590,360,829.78 is: 89,134,666,942.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,994,076,719.52 : 149,031,774,037.38 = 64,590,360,829.78 : x
  2. Step 2: Convert to fraction form
    107,994,076,719.52/149,031,774,037.38 = 64,590,360,829.78/x
  3. Step 3: Cross multiply
    107,994,076,719.52x = 149,031,774,037.38 × 64,590,360,829.78
  4. Step 4: Simplify right side
    107,994,076,719.52x = 9,626,016,060,176,613,769,216
  5. Step 5: Solve for x
    x = 9,626,016,060,176,613,769,216/107,994,076,719.52
  6. Step 6: Final answer
    x = 89,134,666,942.68

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1.5x scale

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.