Home / 130,736,565.99-180,414,280.80-72,004,696.11

Finding the Fourth Proportional to 130,736,565.99, 180,414,280.80 and 72,004,696.11

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Solution

The fourth proportional to 130,736,565.99, 180,414,280.80 and 72,004,696.11 is: 99,365,279.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,736,565.99 : 180,414,280.80 = 72,004,696.11 : x
  2. Step 2: Convert to fraction form
    130,736,565.99/180,414,280.80 = 72,004,696.11/x
  3. Step 3: Cross multiply
    130,736,565.99x = 180,414,280.80 × 72,004,696.11
  4. Step 4: Simplify right side
    130,736,565.99x = 12,990,675,462,908,208
  5. Step 5: Solve for x
    x = 12,990,675,462,908,208/130,736,565.99
  6. Step 6: Final answer
    x = 99,365,279.82

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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.