Home / 85,886,943.04-128,911,130.16-44,975,746.72

Finding the Fourth Proportional to 85,886,943.04, 128,911,130.16 and 44,975,746.72

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Solution

The fourth proportional to 85,886,943.04, 128,911,130.16 and 44,975,746.72 is: 67,505,887.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,886,943.04 : 128,911,130.16 = 44,975,746.72 : x
  2. Step 2: Convert to fraction form
    85,886,943.04/128,911,130.16 = 44,975,746.72/x
  3. Step 3: Cross multiply
    85,886,943.04x = 128,911,130.16 × 44,975,746.72
  4. Step 4: Simplify right side
    85,886,943.04x = 5,797,874,339,465,113
  5. Step 5: Solve for x
    x = 5,797,874,339,465,113/85,886,943.04
  6. Step 6: Final answer
    x = 67,505,887.79

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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.