Home / 97,470,501.40-146,205,752.10-78,338,625.40

Finding the Fourth Proportional to 97,470,501.40, 146,205,752.10 and 78,338,625.40

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Solution

The fourth proportional to 97,470,501.40, 146,205,752.10 and 78,338,625.40 is: 117,507,938.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,470,501.40 : 146,205,752.10 = 78,338,625.40 : x
  2. Step 2: Convert to fraction form
    97,470,501.40/146,205,752.10 = 78,338,625.40/x
  3. Step 3: Cross multiply
    97,470,501.40x = 146,205,752.10 × 78,338,625.40
  4. Step 4: Simplify right side
    97,470,501.40x = 11,453,557,645,087,164
  5. Step 5: Solve for x
    x = 11,453,557,645,087,164/97,470,501.40
  6. Step 6: Final answer
    x = 117,507,938.10

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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.