Home / 128,634,029.95-177,516,082.50-69,896,694.87

Finding the Fourth Proportional to 128,634,029.95, 177,516,082.50 and 69,896,694.87

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Solution

The fourth proportional to 128,634,029.95, 177,516,082.50 and 69,896,694.87 is: 96,458,048.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,634,029.95 : 177,516,082.50 = 69,896,694.87 : x
  2. Step 2: Convert to fraction form
    128,634,029.95/177,516,082.50 = 69,896,694.87/x
  3. Step 3: Cross multiply
    128,634,029.95x = 177,516,082.50 × 69,896,694.87
  4. Step 4: Simplify right side
    128,634,029.95x = 12,407,787,453,020,248
  5. Step 5: Solve for x
    x = 12,407,787,453,020,248/128,634,029.95
  6. Step 6: Final answer
    x = 96,458,048.14

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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.