Home / 139,341,535.70-208,895,386.52-61,605,889.16

Finding the Fourth Proportional to 139,341,535.70, 208,895,386.52 and 61,605,889.16

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Solution

The fourth proportional to 139,341,535.70, 208,895,386.52 and 61,605,889.16 is: 92,357,142.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,341,535.70 : 208,895,386.52 = 61,605,889.16 : x
  2. Step 2: Convert to fraction form
    139,341,535.70/208,895,386.52 = 61,605,889.16/x
  3. Step 3: Cross multiply
    139,341,535.70x = 208,895,386.52 × 61,605,889.16
  4. Step 4: Simplify right side
    139,341,535.70x = 12,869,186,027,096,016
  5. Step 5: Solve for x
    x = 12,869,186,027,096,016/139,341,535.70
  6. Step 6: Final answer
    x = 92,357,142.20

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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.