Home / 71,819,312.36-99,111,280.50-40,881,470.92

Finding the Fourth Proportional to 71,819,312.36, 99,111,280.50 and 40,881,470.92

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Solution

The fourth proportional to 71,819,312.36, 99,111,280.50 and 40,881,470.92 is: 56,416,788.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,819,312.36 : 99,111,280.50 = 40,881,470.92 : x
  2. Step 2: Convert to fraction form
    71,819,312.36/99,111,280.50 = 40,881,470.92/x
  3. Step 3: Cross multiply
    71,819,312.36x = 99,111,280.50 × 40,881,470.92
  4. Step 4: Simplify right side
    71,819,312.36x = 4,051,814,931,604,713
  5. Step 5: Solve for x
    x = 4,051,814,931,604,713/71,819,312.36
  6. Step 6: Final answer
    x = 56,416,788.17

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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.