Home / 137,899,528.68-190,301,925.78-76,018,509.48

Finding the Fourth Proportional to 137,899,528.68, 190,301,925.78 and 76,018,509.48

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Solution

The fourth proportional to 137,899,528.68, 190,301,925.78 and 76,018,509.48 is: 104,905,860.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,899,528.68 : 190,301,925.78 = 76,018,509.48 : x
  2. Step 2: Convert to fraction form
    137,899,528.68/190,301,925.78 = 76,018,509.48/x
  3. Step 3: Cross multiply
    137,899,528.68x = 190,301,925.78 × 76,018,509.48
  4. Step 4: Simplify right side
    137,899,528.68x = 14,466,468,748,969,188
  5. Step 5: Solve for x
    x = 14,466,468,748,969,188/137,899,528.68
  6. Step 6: Final answer
    x = 104,905,860.72

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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.