Home / 75,005,445.79-113,070,348.83-70,005,749.14

Finding the Fourth Proportional to 75,005,445.79, 113,070,348.83 and 70,005,749.14

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Solution

The fourth proportional to 75,005,445.79, 113,070,348.83 and 70,005,749.14 is: 105,533,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,005,445.79 : 113,070,348.83 = 70,005,749.14 : x
  2. Step 2: Convert to fraction form
    75,005,445.79/113,070,348.83 = 70,005,749.14/x
  3. Step 3: Cross multiply
    75,005,445.79x = 113,070,348.83 × 70,005,749.14
  4. Step 4: Simplify right side
    75,005,445.79x = 7,915,574,475,365,272
  5. Step 5: Solve for x
    x = 7,915,574,475,365,272/75,005,445.79
  6. Step 6: Final answer
    x = 105,533,330.17

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.