Home / 187,289,995,106.88-258,415,894,830.60-105,999,818,030.10

Finding the Fourth Proportional to 187,289,995,106.88, 258,415,894,830.60 and 105,999,818,030.10

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Solution

The fourth proportional to 187,289,995,106.88, 258,415,894,830.60 and 105,999,818,030.10 is: 146,254,677,472.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,289,995,106.88 : 258,415,894,830.60 = 105,999,818,030.10 : x
  2. Step 2: Convert to fraction form
    187,289,995,106.88/258,415,894,830.60 = 105,999,818,030.10/x
  3. Step 3: Cross multiply
    187,289,995,106.88x = 258,415,894,830.60 × 105,999,818,030.10
  4. Step 4: Simplify right side
    187,289,995,106.88x = 27,392,037,828,129,061,863,424
  5. Step 5: Solve for x
    x = 27,392,037,828,129,061,863,424/187,289,995,106.88
  6. Step 6: Final answer
    x = 146,254,677,472.21

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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.