Home / 124,282,538.42-186,477,566.81-66,707,549.06

Finding the Fourth Proportional to 124,282,538.42, 186,477,566.81 and 66,707,549.06

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Solution

The fourth proportional to 124,282,538.42, 186,477,566.81 and 66,707,549.06 is: 100,090,178.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,282,538.42 : 186,477,566.81 = 66,707,549.06 : x
  2. Step 2: Convert to fraction form
    124,282,538.42/186,477,566.81 = 66,707,549.06/x
  3. Step 3: Cross multiply
    124,282,538.42x = 186,477,566.81 × 66,707,549.06
  4. Step 4: Simplify right side
    124,282,538.42x = 12,439,461,435,301,578
  5. Step 5: Solve for x
    x = 12,439,461,435,301,578/124,282,538.42
  6. Step 6: Final answer
    x = 100,090,178.35

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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.