Home / 191,607,865.47-287,407,672.01-53,429,790.45

Finding the Fourth Proportional to 191,607,865.47, 287,407,672.01 and 53,429,790.45

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Solution

The fourth proportional to 191,607,865.47, 287,407,672.01 and 53,429,790.45 is: 80,143,535.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,607,865.47 : 287,407,672.01 = 53,429,790.45 : x
  2. Step 2: Convert to fraction form
    191,607,865.47/287,407,672.01 = 53,429,790.45/x
  3. Step 3: Cross multiply
    191,607,865.47x = 287,407,672.01 × 53,429,790.45
  4. Step 4: Simplify right side
    191,607,865.47x = 15,356,131,688,949,482
  5. Step 5: Solve for x
    x = 15,356,131,688,949,482/191,607,865.47
  6. Step 6: Final answer
    x = 80,143,535.09

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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.