Home / 191,116,843,357.88-286,713,029,916.84-70,106,521,919.78

Finding the Fourth Proportional to 191,116,843,357.88, 286,713,029,916.84 and 70,106,521,919.78

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Solution

The fourth proportional to 191,116,843,357.88, 286,713,029,916.84 and 70,106,521,919.78 is: 105,173,635,998.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,116,843,357.88 : 286,713,029,916.84 = 70,106,521,919.78 : x
  2. Step 2: Convert to fraction form
    191,116,843,357.88/286,713,029,916.84 = 70,106,521,919.78/x
  3. Step 3: Cross multiply
    191,116,843,357.88x = 286,713,029,916.84 × 70,106,521,919.78
  4. Step 4: Simplify right side
    191,116,843,357.88x = 20,100,453,316,551,482,802,176
  5. Step 5: Solve for x
    x = 20,100,453,316,551,482,802,176/191,116,843,357.88
  6. Step 6: Final answer
    x = 105,173,635,998.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.