Home / 191,830,865.60-287,746,298.40-134,387,998.40

Finding the Fourth Proportional to 191,830,865.60, 287,746,298.40 and 134,387,998.40

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Solution

The fourth proportional to 191,830,865.60, 287,746,298.40 and 134,387,998.40 is: 201,581,997.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,830,865.60 : 287,746,298.40 = 134,387,998.40 : x
  2. Step 2: Convert to fraction form
    191,830,865.60/287,746,298.40 = 134,387,998.40/x
  3. Step 3: Cross multiply
    191,830,865.60x = 287,746,298.40 × 134,387,998.40
  4. Step 4: Simplify right side
    191,830,865.60x = 38,669,649,088,985,120
  5. Step 5: Solve for x
    x = 38,669,649,088,985,120/191,830,865.60
  6. Step 6: Final answer
    x = 201,581,997.60

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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.