Home / 145,743,820,431-218,645,547,219.06-50,117,420,154.40

Finding the Fourth Proportional to 145,743,820,431, 218,645,547,219.06 and 50,117,420,154.40

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Solution

The fourth proportional to 145,743,820,431, 218,645,547,219.06 and 50,117,420,154.40 is: 75,186,383,357.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,743,820,431 : 218,645,547,219.06 = 50,117,420,154.40 : x
  2. Step 2: Convert to fraction form
    145,743,820,431/218,645,547,219.06 = 50,117,420,154.40/x
  3. Step 3: Cross multiply
    145,743,820,431x = 218,645,547,219.06 × 50,117,420,154.40
  4. Step 4: Simplify right side
    145,743,820,431x = 10,957,950,754,865,241,128,960
  5. Step 5: Solve for x
    x = 10,957,950,754,865,241,128,960/145,743,820,431
  6. Step 6: Final answer
    x = 75,186,383,357.18

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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.