Home / 136,118,424,389.17-187,859,897,425.58-77,471,505,525.15

Finding the Fourth Proportional to 136,118,424,389.17, 187,859,897,425.58 and 77,471,505,525.15

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Solution

The fourth proportional to 136,118,424,389.17, 187,859,897,425.58 and 77,471,505,525.15 is: 106,920,052,495.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,118,424,389.17 : 187,859,897,425.58 = 77,471,505,525.15 : x
  2. Step 2: Convert to fraction form
    136,118,424,389.17/187,859,897,425.58 = 77,471,505,525.15/x
  3. Step 3: Cross multiply
    136,118,424,389.17x = 187,859,897,425.58 × 77,471,505,525.15
  4. Step 4: Simplify right side
    136,118,424,389.17x = 14,553,789,081,359,931,670,528
  5. Step 5: Solve for x
    x = 14,553,789,081,359,931,670,528/136,118,424,389.17
  6. Step 6: Final answer
    x = 106,920,052,495.98

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1.5x scale

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.