Home / 107,006,430.80-160,509,646.20-70,018,137.20

Finding the Fourth Proportional to 107,006,430.80, 160,509,646.20 and 70,018,137.20

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Solution

The fourth proportional to 107,006,430.80, 160,509,646.20 and 70,018,137.20 is: 105,027,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,006,430.80 : 160,509,646.20 = 70,018,137.20 : x
  2. Step 2: Convert to fraction form
    107,006,430.80/160,509,646.20 = 70,018,137.20/x
  3. Step 3: Cross multiply
    107,006,430.80x = 160,509,646.20 × 70,018,137.20
  4. Step 4: Simplify right side
    107,006,430.80x = 11,238,586,429,555,058
  5. Step 5: Solve for x
    x = 11,238,586,429,555,058/107,006,430.80
  6. Step 6: Final answer
    x = 105,027,205.80

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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.