Home / 141,888,466.59-212,730,554.34-87,188,037.93

Finding the Fourth Proportional to 141,888,466.59, 212,730,554.34 and 87,188,037.93

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Solution

The fourth proportional to 141,888,466.59, 212,730,554.34 and 87,188,037.93 is: 130,719,290.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,888,466.59 : 212,730,554.34 = 87,188,037.93 : x
  2. Step 2: Convert to fraction form
    141,888,466.59/212,730,554.34 = 87,188,037.93/x
  3. Step 3: Cross multiply
    141,888,466.59x = 212,730,554.34 × 87,188,037.93
  4. Step 4: Simplify right side
    141,888,466.59x = 18,547,559,640,665,848
  5. Step 5: Solve for x
    x = 18,547,559,640,665,848/141,888,466.59
  6. Step 6: Final answer
    x = 130,719,290.20

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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.