Home / 124,312,465.60-186,485,715.96-42,409,353.88

Finding the Fourth Proportional to 124,312,465.60, 186,485,715.96 and 42,409,353.88

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Solution

The fourth proportional to 124,312,465.60, 186,485,715.96 and 42,409,353.88 is: 63,619,836.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,312,465.60 : 186,485,715.96 = 42,409,353.88 : x
  2. Step 2: Convert to fraction form
    124,312,465.60/186,485,715.96 = 42,409,353.88/x
  3. Step 3: Cross multiply
    124,312,465.60x = 186,485,715.96 × 42,409,353.88
  4. Step 4: Simplify right side
    124,312,465.60x = 7,908,738,721,712,805
  5. Step 5: Solve for x
    x = 7,908,738,721,712,805/124,312,465.60
  6. Step 6: Final answer
    x = 63,619,836.38

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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.