Home / 143,690,006.40-215,535,009.60-41,457,379.20

Finding the Fourth Proportional to 143,690,006.40, 215,535,009.60 and 41,457,379.20

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Solution

The fourth proportional to 143,690,006.40, 215,535,009.60 and 41,457,379.20 is: 62,186,068.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,690,006.40 : 215,535,009.60 = 41,457,379.20 : x
  2. Step 2: Convert to fraction form
    143,690,006.40/215,535,009.60 = 41,457,379.20/x
  3. Step 3: Cross multiply
    143,690,006.40x = 215,535,009.60 × 41,457,379.20
  4. Step 4: Simplify right side
    143,690,006.40x = 8,935,516,623,862,841
  5. Step 5: Solve for x
    x = 8,935,516,623,862,841/143,690,006.40
  6. Step 6: Final answer
    x = 62,186,068.80

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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.