Home / 102,573,943.12-141,552,075.78-56,167,136.92

Finding the Fourth Proportional to 102,573,943.12, 141,552,075.78 and 56,167,136.92

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Solution

The fourth proportional to 102,573,943.12, 141,552,075.78 and 56,167,136.92 is: 77,510,667.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,573,943.12 : 141,552,075.78 = 56,167,136.92 : x
  2. Step 2: Convert to fraction form
    102,573,943.12/141,552,075.78 = 56,167,136.92/x
  3. Step 3: Cross multiply
    102,573,943.12x = 141,552,075.78 × 56,167,136.92
  4. Step 4: Simplify right side
    102,573,943.12x = 7,950,574,821,645,476
  5. Step 5: Solve for x
    x = 7,950,574,821,645,476/102,573,943.12
  6. Step 6: Final answer
    x = 77,510,667.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.