Home / 70,232,988.97-105,139,588.43-42,482,926.42

Finding the Fourth Proportional to 70,232,988.97, 105,139,588.43 and 42,482,926.42

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Solution

The fourth proportional to 70,232,988.97, 105,139,588.43 and 42,482,926.42 is: 63,597,427.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,232,988.97 : 105,139,588.43 = 42,482,926.42 : x
  2. Step 2: Convert to fraction form
    70,232,988.97/105,139,588.43 = 42,482,926.42/x
  3. Step 3: Cross multiply
    70,232,988.97x = 105,139,588.43 × 42,482,926.42
  4. Step 4: Simplify right side
    70,232,988.97x = 4,466,637,398,944,131.50
  5. Step 5: Solve for x
    x = 4,466,637,398,944,131.50/70,232,988.97
  6. Step 6: Final answer
    x = 63,597,427.14

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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.