Home / 191,352,755.95-286,795,947.78-99,185,681.43

Finding the Fourth Proportional to 191,352,755.95, 286,795,947.78 and 99,185,681.43

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Solution

The fourth proportional to 191,352,755.95, 286,795,947.78 and 99,185,681.43 is: 148,657,652.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,352,755.95 : 286,795,947.78 = 99,185,681.43 : x
  2. Step 2: Convert to fraction form
    191,352,755.95/286,795,947.78 = 99,185,681.43/x
  3. Step 3: Cross multiply
    191,352,755.95x = 286,795,947.78 × 99,185,681.43
  4. Step 4: Simplify right side
    191,352,755.95x = 28,446,051,511,921,996
  5. Step 5: Solve for x
    x = 28,446,051,511,921,996/191,352,755.95
  6. Step 6: Final answer
    x = 148,657,652.57

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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.