Home / 191,838,369.60-288,056,152.80-111,216,801.60

Finding the Fourth Proportional to 191,838,369.60, 288,056,152.80 and 111,216,801.60

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Solution

The fourth proportional to 191,838,369.60, 288,056,152.80 and 111,216,801.60 is: 166,998,312.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,838,369.60 : 288,056,152.80 = 111,216,801.60 : x
  2. Step 2: Convert to fraction form
    191,838,369.60/288,056,152.80 = 111,216,801.60/x
  3. Step 3: Cross multiply
    191,838,369.60x = 288,056,152.80 × 111,216,801.60
  4. Step 4: Simplify right side
    191,838,369.60x = 32,036,683,995,616,884
  5. Step 5: Solve for x
    x = 32,036,683,995,616,884/191,838,369.60
  6. Step 6: Final answer
    x = 166,998,312.50

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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.