Home / 124,620,984.30-186,931,476.45-70,873,272.30

Finding the Fourth Proportional to 124,620,984.30, 186,931,476.45 and 70,873,272.30

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Solution

The fourth proportional to 124,620,984.30, 186,931,476.45 and 70,873,272.30 is: 106,309,908.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,620,984.30 : 186,931,476.45 = 70,873,272.30 : x
  2. Step 2: Convert to fraction form
    124,620,984.30/186,931,476.45 = 70,873,272.30/x
  3. Step 3: Cross multiply
    124,620,984.30x = 186,931,476.45 × 70,873,272.30
  4. Step 4: Simplify right side
    124,620,984.30x = 13,248,445,431,881,886
  5. Step 5: Solve for x
    x = 13,248,445,431,881,886/124,620,984.30
  6. Step 6: Final answer
    x = 106,309,908.45

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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.