Home / 77,072,877,591.32-106,351,944,545.34-42,780,029,736.62

Finding the Fourth Proportional to 77,072,877,591.32, 106,351,944,545.34 and 42,780,029,736.62

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Solution

The fourth proportional to 77,072,877,591.32, 106,351,944,545.34 and 42,780,029,736.62 is: 59,031,652,799.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,072,877,591.32 : 106,351,944,545.34 = 42,780,029,736.62 : x
  2. Step 2: Convert to fraction form
    77,072,877,591.32/106,351,944,545.34 = 42,780,029,736.62/x
  3. Step 3: Cross multiply
    77,072,877,591.32x = 106,351,944,545.34 × 42,780,029,736.62
  4. Step 4: Simplify right side
    77,072,877,591.32x = 4,549,739,350,196,474,085,376
  5. Step 5: Solve for x
    x = 4,549,739,350,196,474,085,376/77,072,877,591.32
  6. Step 6: Final answer
    x = 59,031,652,799.08

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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.