Home / 102,912,278.40-154,368,417.60-62,535,139.20

Finding the Fourth Proportional to 102,912,278.40, 154,368,417.60 and 62,535,139.20

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Solution

The fourth proportional to 102,912,278.40, 154,368,417.60 and 62,535,139.20 is: 93,802,708.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,912,278.40 : 154,368,417.60 = 62,535,139.20 : x
  2. Step 2: Convert to fraction form
    102,912,278.40/154,368,417.60 = 62,535,139.20/x
  3. Step 3: Cross multiply
    102,912,278.40x = 154,368,417.60 × 62,535,139.20
  4. Step 4: Simplify right side
    102,912,278.40x = 9,653,450,482,699,730
  5. Step 5: Solve for x
    x = 9,653,450,482,699,730/102,912,278.40
  6. Step 6: Final answer
    x = 93,802,708.80

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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.