Home / 125,702,495,047.80-173,696,355,086.88-89,510,694,495.50

Finding the Fourth Proportional to 125,702,495,047.80, 173,696,355,086.88 and 89,510,694,495.50

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Solution

The fourth proportional to 125,702,495,047.80, 173,696,355,086.88 and 89,510,694,495.50 is: 123,686,338,678.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,702,495,047.80 : 173,696,355,086.88 = 89,510,694,495.50 : x
  2. Step 2: Convert to fraction form
    125,702,495,047.80/173,696,355,086.88 = 89,510,694,495.50/x
  3. Step 3: Cross multiply
    125,702,495,047.80x = 173,696,355,086.88 × 89,510,694,495.50
  4. Step 4: Simplify right side
    125,702,495,047.80x = 15,547,681,375,162,734,739,456
  5. Step 5: Solve for x
    x = 15,547,681,375,162,734,739,456/125,702,495,047.80
  6. Step 6: Final answer
    x = 123,686,338,678.09

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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.