Home / 101,098,992.64-139,371,502.08-72,075,228.16

Finding the Fourth Proportional to 101,098,992.64, 139,371,502.08 and 72,075,228.16

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Solution

The fourth proportional to 101,098,992.64, 139,371,502.08 and 72,075,228.16 is: 99,360,365.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,098,992.64 : 139,371,502.08 = 72,075,228.16 : x
  2. Step 2: Convert to fraction form
    101,098,992.64/139,371,502.08 = 72,075,228.16/x
  3. Step 3: Cross multiply
    101,098,992.64x = 139,371,502.08 × 72,075,228.16
  4. Step 4: Simplify right side
    101,098,992.64x = 10,045,232,811,417,916
  5. Step 5: Solve for x
    x = 10,045,232,811,417,916/101,098,992.64
  6. Step 6: Final answer
    x = 99,360,365.02

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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.