Home / 162,330,015-224,018,307.54-87,993,010.20

Finding the Fourth Proportional to 162,330,015, 224,018,307.54 and 87,993,010.20

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Solution

The fourth proportional to 162,330,015, 224,018,307.54 and 87,993,010.20 is: 121,431,918.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,330,015 : 224,018,307.54 = 87,993,010.20 : x
  2. Step 2: Convert to fraction form
    162,330,015/224,018,307.54 = 87,993,010.20/x
  3. Step 3: Cross multiply
    162,330,015x = 224,018,307.54 × 87,993,010.20
  4. Step 4: Simplify right side
    162,330,015x = 19,712,045,220,353,956
  5. Step 5: Solve for x
    x = 19,712,045,220,353,956/162,330,015
  6. Step 6: Final answer
    x = 121,431,918.92

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1.5x scale

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.