Home / 143,146,547.70-214,719,821.55-70,505,206.02

Finding the Fourth Proportional to 143,146,547.70, 214,719,821.55 and 70,505,206.02

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Solution

The fourth proportional to 143,146,547.70, 214,719,821.55 and 70,505,206.02 is: 105,757,809.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,146,547.70 : 214,719,821.55 = 70,505,206.02 : x
  2. Step 2: Convert to fraction form
    143,146,547.70/214,719,821.55 = 70,505,206.02/x
  3. Step 3: Cross multiply
    143,146,547.70x = 214,719,821.55 × 70,505,206.02
  4. Step 4: Simplify right side
    143,146,547.70x = 15,138,865,254,960,386
  5. Step 5: Solve for x
    x = 15,138,865,254,960,386/143,146,547.70
  6. Step 6: Final answer
    x = 105,757,809.03

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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.