Home / 130,117,993,886.05-195,074,341,961.94-82,210,023,547.12

Finding the Fourth Proportional to 130,117,993,886.05, 195,074,341,961.94 and 82,210,023,547.12

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Solution

The fourth proportional to 130,117,993,886.05, 195,074,341,961.94 and 82,210,023,547.12 is: 123,250,180,602.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,117,993,886.05 : 195,074,341,961.94 = 82,210,023,547.12 : x
  2. Step 2: Convert to fraction form
    130,117,993,886.05/195,074,341,961.94 = 82,210,023,547.12/x
  3. Step 3: Cross multiply
    130,117,993,886.05x = 195,074,341,961.94 × 82,210,023,547.12
  4. Step 4: Simplify right side
    130,117,993,886.05x = 16,037,066,246,129,052,549,120
  5. Step 5: Solve for x
    x = 16,037,066,246,129,052,549,120/130,117,993,886.05
  6. Step 6: Final answer
    x = 123,250,180,602.80

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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.