Home / 72,312,492.74-99,797,394.48-40,956,119.78

Finding the Fourth Proportional to 72,312,492.74, 99,797,394.48 and 40,956,119.78

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Solution

The fourth proportional to 72,312,492.74, 99,797,394.48 and 40,956,119.78 is: 56,522,931.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,312,492.74 : 99,797,394.48 = 40,956,119.78 : x
  2. Step 2: Convert to fraction form
    72,312,492.74/99,797,394.48 = 40,956,119.78/x
  3. Step 3: Cross multiply
    72,312,492.74x = 99,797,394.48 × 40,956,119.78
  4. Step 4: Simplify right side
    72,312,492.74x = 4,087,314,042,054,791
  5. Step 5: Solve for x
    x = 4,087,314,042,054,791/72,312,492.74
  6. Step 6: Final answer
    x = 56,522,931.06

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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.