Home / 125,751,353.60-188,249,116.80-74,607,046.40

Finding the Fourth Proportional to 125,751,353.60, 188,249,116.80 and 74,607,046.40

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Solution

The fourth proportional to 125,751,353.60, 188,249,116.80 and 74,607,046.40 is: 111,686,357.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,751,353.60 : 188,249,116.80 = 74,607,046.40 : x
  2. Step 2: Convert to fraction form
    125,751,353.60/188,249,116.80 = 74,607,046.40/x
  3. Step 3: Cross multiply
    125,751,353.60x = 188,249,116.80 × 74,607,046.40
  4. Step 4: Simplify right side
    125,751,353.60x = 14,044,710,591,856,622
  5. Step 5: Solve for x
    x = 14,044,710,591,856,622/125,751,353.60
  6. Step 6: Final answer
    x = 111,686,357.16

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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.