Home / 74,853,412.80-112,159,396.80-42,408,830.40

Finding the Fourth Proportional to 74,853,412.80, 112,159,396.80 and 42,408,830.40

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Solution

The fourth proportional to 74,853,412.80, 112,159,396.80 and 42,408,830.40 is: 63,544,849.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,853,412.80 : 112,159,396.80 = 42,408,830.40 : x
  2. Step 2: Convert to fraction form
    74,853,412.80/112,159,396.80 = 42,408,830.40/x
  3. Step 3: Cross multiply
    74,853,412.80x = 112,159,396.80 × 42,408,830.40
  4. Step 4: Simplify right side
    74,853,412.80x = 4,756,548,836,657,502
  5. Step 5: Solve for x
    x = 4,756,548,836,657,502/74,853,412.80
  6. Step 6: Final answer
    x = 63,544,849.31

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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.