Home / 143,827,652.17-215,895,006.74-61,986,919.69

Finding the Fourth Proportional to 143,827,652.17, 215,895,006.74 and 61,986,919.69

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Solution

The fourth proportional to 143,827,652.17, 215,895,006.74 and 61,986,919.69 is: 93,046,547.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,827,652.17 : 215,895,006.74 = 61,986,919.69 : x
  2. Step 2: Convert to fraction form
    143,827,652.17/215,895,006.74 = 61,986,919.69/x
  3. Step 3: Cross multiply
    143,827,652.17x = 215,895,006.74 × 61,986,919.69
  4. Step 4: Simplify right side
    143,827,652.17x = 13,382,666,444,264,388
  5. Step 5: Solve for x
    x = 13,382,666,444,264,388/143,827,652.17
  6. Step 6: Final answer
    x = 93,046,547.32

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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.