Home / 92,853,671.52-128,003,017.76-64,889,562.08

Finding the Fourth Proportional to 92,853,671.52, 128,003,017.76 and 64,889,562.08

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Solution

The fourth proportional to 92,853,671.52, 128,003,017.76 and 64,889,562.08 is: 89,453,218.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,853,671.52 : 128,003,017.76 = 64,889,562.08 : x
  2. Step 2: Convert to fraction form
    92,853,671.52/128,003,017.76 = 64,889,562.08/x
  3. Step 3: Cross multiply
    92,853,671.52x = 128,003,017.76 × 64,889,562.08
  4. Step 4: Simplify right side
    92,853,671.52x = 8,306,059,767,364,863
  5. Step 5: Solve for x
    x = 8,306,059,767,364,863/92,853,671.52
  6. Step 6: Final answer
    x = 89,453,218.50

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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.