Home / 74,748,699.80-112,002,327.30-42,304,117.40

Finding the Fourth Proportional to 74,748,699.80, 112,002,327.30 and 42,304,117.40

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Solution

The fourth proportional to 74,748,699.80, 112,002,327.30 and 42,304,117.40 is: 63,387,853.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748,699.80 : 112,002,327.30 = 42,304,117.40 : x
  2. Step 2: Convert to fraction form
    74,748,699.80/112,002,327.30 = 42,304,117.40/x
  3. Step 3: Cross multiply
    74,748,699.80x = 112,002,327.30 × 42,304,117.40
  4. Step 4: Simplify right side
    74,748,699.80x = 4,738,159,603,172,425
  5. Step 5: Solve for x
    x = 4,738,159,603,172,425/74,748,699.80
  6. Step 6: Final answer
    x = 63,387,853.11

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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.