Home / 77,572,030.50-107,050,226.67-42,765,966.54

Finding the Fourth Proportional to 77,572,030.50, 107,050,226.67 and 42,765,966.54

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Solution

The fourth proportional to 77,572,030.50, 107,050,226.67 and 42,765,966.54 is: 59,017,488.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,572,030.50 : 107,050,226.67 = 42,765,966.54 : x
  2. Step 2: Convert to fraction form
    77,572,030.50/107,050,226.67 = 42,765,966.54/x
  3. Step 3: Cross multiply
    77,572,030.50x = 107,050,226.67 × 42,765,966.54
  4. Step 4: Simplify right side
    77,572,030.50x = 4,578,106,411,868,636
  5. Step 5: Solve for x
    x = 4,578,106,411,868,636/77,572,030.50
  6. Step 6: Final answer
    x = 59,017,488.42

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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.