Home / 101,506,455.17-140,075,283.49-57,452,507.90

Finding the Fourth Proportional to 101,506,455.17, 140,075,283.49 and 57,452,507.90

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Solution

The fourth proportional to 101,506,455.17, 140,075,283.49 and 57,452,507.90 is: 79,282,409.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,506,455.17 : 140,075,283.49 = 57,452,507.90 : x
  2. Step 2: Convert to fraction form
    101,506,455.17/140,075,283.49 = 57,452,507.90/x
  3. Step 3: Cross multiply
    101,506,455.17x = 140,075,283.49 × 57,452,507.90
  4. Step 4: Simplify right side
    101,506,455.17x = 8,047,676,331,303,965
  5. Step 5: Solve for x
    x = 8,047,676,331,303,965/101,506,455.17
  6. Step 6: Final answer
    x = 79,282,409.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.