Home / 112,023,547.28-154,588,675.76-61,789,756.24

Finding the Fourth Proportional to 112,023,547.28, 154,588,675.76 and 61,789,756.24

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Solution

The fourth proportional to 112,023,547.28, 154,588,675.76 and 61,789,756.24 is: 85,267,756.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,023,547.28 : 154,588,675.76 = 61,789,756.24 : x
  2. Step 2: Convert to fraction form
    112,023,547.28/154,588,675.76 = 61,789,756.24/x
  3. Step 3: Cross multiply
    112,023,547.28x = 154,588,675.76 × 61,789,756.24
  4. Step 4: Simplify right side
    112,023,547.28x = 9,551,996,592,674,796
  5. Step 5: Solve for x
    x = 9,551,996,592,674,796/112,023,547.28
  6. Step 6: Final answer
    x = 85,267,756.87

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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.