Home / 121,838,483.20-182,813,526.12-52,772,410.84

Finding the Fourth Proportional to 121,838,483.20, 182,813,526.12 and 52,772,410.84

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Solution

The fourth proportional to 121,838,483.20, 182,813,526.12 and 52,772,410.84 is: 79,182,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,838,483.20 : 182,813,526.12 = 52,772,410.84 : x
  2. Step 2: Convert to fraction form
    121,838,483.20/182,813,526.12 = 52,772,410.84/x
  3. Step 3: Cross multiply
    121,838,483.20x = 182,813,526.12 × 52,772,410.84
  4. Step 4: Simplify right side
    121,838,483.20x = 9,647,510,507,513,712
  5. Step 5: Solve for x
    x = 9,647,510,507,513,712/121,838,483.20
  6. Step 6: Final answer
    x = 79,182,785.72

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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.