Home / 42,719,621.07-58,953,360.16-23,140,509.45

Finding the Fourth Proportional to 42,719,621.07, 58,953,360.16 and 23,140,509.45

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Solution

The fourth proportional to 42,719,621.07, 58,953,360.16 and 23,140,509.45 is: 31,934,056.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,719,621.07 : 58,953,360.16 = 23,140,509.45 : x
  2. Step 2: Convert to fraction form
    42,719,621.07/58,953,360.16 = 23,140,509.45/x
  3. Step 3: Cross multiply
    42,719,621.07x = 58,953,360.16 × 23,140,509.45
  4. Step 4: Simplify right side
    42,719,621.07x = 1,364,210,787,891,733.50
  5. Step 5: Solve for x
    x = 1,364,210,787,891,733.50/42,719,621.07
  6. Step 6: Final answer
    x = 31,934,056.38

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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.