Home / 89,854,509.66-124,074,809.58-56,872,942.20

Finding the Fourth Proportional to 89,854,509.66, 124,074,809.58 and 56,872,942.20

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Solution

The fourth proportional to 89,854,509.66, 124,074,809.58 and 56,872,942.20 is: 78,532,502.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,854,509.66 : 124,074,809.58 = 56,872,942.20 : x
  2. Step 2: Convert to fraction form
    89,854,509.66/124,074,809.58 = 56,872,942.20/x
  3. Step 3: Cross multiply
    89,854,509.66x = 124,074,809.58 × 56,872,942.20
  4. Step 4: Simplify right side
    89,854,509.66x = 7,056,499,473,719,347
  5. Step 5: Solve for x
    x = 7,056,499,473,719,347/89,854,509.66
  6. Step 6: Final answer
    x = 78,532,502.16

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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.