Home / 143,650,916.31-215,506,636.89-46,599,045.87

Finding the Fourth Proportional to 143,650,916.31, 215,506,636.89 and 46,599,045.87

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Solution

The fourth proportional to 143,650,916.31, 215,506,636.89 and 46,599,045.87 is: 69,908,385.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,650,916.31 : 215,506,636.89 = 46,599,045.87 : x
  2. Step 2: Convert to fraction form
    143,650,916.31/215,506,636.89 = 46,599,045.87/x
  3. Step 3: Cross multiply
    143,650,916.31x = 215,506,636.89 × 46,599,045.87
  4. Step 4: Simplify right side
    143,650,916.31x = 10,042,403,657,726,542
  5. Step 5: Solve for x
    x = 10,042,403,657,726,542/143,650,916.31
  6. Step 6: Final answer
    x = 69,908,385.66

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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.