Home / 371,075,427.72-556,128,939.78-207,306,569.16

Finding the Fourth Proportional to 371,075,427.72, 556,128,939.78 and 207,306,569.16

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Solution

The fourth proportional to 371,075,427.72, 556,128,939.78 and 207,306,569.16 is: 310,689,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,075,427.72 : 556,128,939.78 = 207,306,569.16 : x
  2. Step 2: Convert to fraction form
    371,075,427.72/556,128,939.78 = 207,306,569.16/x
  3. Step 3: Cross multiply
    371,075,427.72x = 556,128,939.78 × 207,306,569.16
  4. Step 4: Simplify right side
    371,075,427.72x = 115,289,182,516,380,032
  5. Step 5: Solve for x
    x = 115,289,182,516,380,032/371,075,427.72
  6. Step 6: Final answer
    x = 310,689,347.51

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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.