Home / 42,290,123.10-63,435,184.65-40,106,622.30

Finding the Fourth Proportional to 42,290,123.10, 63,435,184.65 and 40,106,622.30

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Solution

The fourth proportional to 42,290,123.10, 63,435,184.65 and 40,106,622.30 is: 60,159,933.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,290,123.10 : 63,435,184.65 = 40,106,622.30 : x
  2. Step 2: Convert to fraction form
    42,290,123.10/63,435,184.65 = 40,106,622.30/x
  3. Step 3: Cross multiply
    42,290,123.10x = 63,435,184.65 × 40,106,622.30
  4. Step 4: Simplify right side
    42,290,123.10x = 2,544,170,991,288,307.50
  5. Step 5: Solve for x
    x = 2,544,170,991,288,307.50/42,290,123.10
  6. Step 6: Final answer
    x = 60,159,933.45

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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.