Home / 124,810,818.39-187,241,762.06-42,919,061.07

Finding the Fourth Proportional to 124,810,818.39, 187,241,762.06 and 42,919,061.07

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Solution

The fourth proportional to 124,810,818.39, 187,241,762.06 and 42,919,061.07 is: 64,387,372.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,810,818.39 : 187,241,762.06 = 42,919,061.07 : x
  2. Step 2: Convert to fraction form
    124,810,818.39/187,241,762.06 = 42,919,061.07/x
  3. Step 3: Cross multiply
    124,810,818.39x = 187,241,762.06 × 42,919,061.07
  4. Step 4: Simplify right side
    124,810,818.39x = 8,036,240,620,492,954
  5. Step 5: Solve for x
    x = 8,036,240,620,492,954/124,810,818.39
  6. Step 6: Final answer
    x = 64,387,372.22

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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.