Home / 191,238,106.40-286,857,159.60-61,938,511.10

Finding the Fourth Proportional to 191,238,106.40, 286,857,159.60 and 61,938,511.10

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Solution

The fourth proportional to 191,238,106.40, 286,857,159.60 and 61,938,511.10 is: 92,907,766.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,238,106.40 : 286,857,159.60 = 61,938,511.10 : x
  2. Step 2: Convert to fraction form
    191,238,106.40/286,857,159.60 = 61,938,511.10/x
  3. Step 3: Cross multiply
    191,238,106.40x = 286,857,159.60 × 61,938,511.10
  4. Step 4: Simplify right side
    191,238,106.40x = 17,767,505,363,999,074
  5. Step 5: Solve for x
    x = 17,767,505,363,999,074/191,238,106.40
  6. Step 6: Final answer
    x = 92,907,766.65

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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.