Home / 132,896,810.40-199,307,890.80-42,048,247.20

Finding the Fourth Proportional to 132,896,810.40, 199,307,890.80 and 42,048,247.20

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Solution

The fourth proportional to 132,896,810.40, 199,307,890.80 and 42,048,247.20 is: 63,060,561.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,896,810.40 : 199,307,890.80 = 42,048,247.20 : x
  2. Step 2: Convert to fraction form
    132,896,810.40/199,307,890.80 = 42,048,247.20/x
  3. Step 3: Cross multiply
    132,896,810.40x = 199,307,890.80 × 42,048,247.20
  4. Step 4: Simplify right side
    132,896,810.40x = 8,380,547,461,269,007
  5. Step 5: Solve for x
    x = 8,380,547,461,269,007/132,896,810.40
  6. Step 6: Final answer
    x = 63,060,561.32

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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.