Home / 100,707,361,043.95-139,038,889,780.56-64,106,135,717.96

Finding the Fourth Proportional to 100,707,361,043.95, 139,038,889,780.56 and 64,106,135,717.96

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Solution

The fourth proportional to 100,707,361,043.95, 139,038,889,780.56 and 64,106,135,717.96 is: 88,506,399,591.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,707,361,043.95 : 139,038,889,780.56 = 64,106,135,717.96 : x
  2. Step 2: Convert to fraction form
    100,707,361,043.95/139,038,889,780.56 = 64,106,135,717.96/x
  3. Step 3: Cross multiply
    100,707,361,043.95x = 139,038,889,780.56 × 64,106,135,717.96
  4. Step 4: Simplify right side
    100,707,361,043.95x = 8,913,245,938,347,061,280,768
  5. Step 5: Solve for x
    x = 8,913,245,938,347,061,280,768/100,707,361,043.95
  6. Step 6: Final answer
    x = 88,506,399,591.36

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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.