Home / 124,020,448.08-185,905,616.76-77,995,209.93

Finding the Fourth Proportional to 124,020,448.08, 185,905,616.76 and 77,995,209.93

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Solution

The fourth proportional to 124,020,448.08, 185,905,616.76 and 77,995,209.93 is: 116,914,168.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,020,448.08 : 185,905,616.76 = 77,995,209.93 : x
  2. Step 2: Convert to fraction form
    124,020,448.08/185,905,616.76 = 77,995,209.93/x
  3. Step 3: Cross multiply
    124,020,448.08x = 185,905,616.76 × 77,995,209.93
  4. Step 4: Simplify right side
    124,020,448.08x = 14,499,747,606,362,328
  5. Step 5: Solve for x
    x = 14,499,747,606,362,328/124,020,448.08
  6. Step 6: Final answer
    x = 116,914,168.84

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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.