Home / 139,050,152.40-208,574,191.80-42,005,672.40

Finding the Fourth Proportional to 139,050,152.40, 208,574,191.80 and 42,005,672.40

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Solution

The fourth proportional to 139,050,152.40, 208,574,191.80 and 42,005,672.40 is: 63,008,195.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,050,152.40 : 208,574,191.80 = 42,005,672.40 : x
  2. Step 2: Convert to fraction form
    139,050,152.40/208,574,191.80 = 42,005,672.40/x
  3. Step 3: Cross multiply
    139,050,152.40x = 208,574,191.80 × 42,005,672.40
  4. Step 4: Simplify right side
    139,050,152.40x = 8,761,299,171,845,567
  5. Step 5: Solve for x
    x = 8,761,299,171,845,567/139,050,152.40
  6. Step 6: Final answer
    x = 63,008,195.39

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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.