Home / 145,549,718.35-217,210,640.93-130,022,631.62

Finding the Fourth Proportional to 145,549,718.35, 217,210,640.93 and 130,022,631.62

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Solution

The fourth proportional to 145,549,718.35, 217,210,640.93 and 130,022,631.62 is: 194,038,844.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,549,718.35 : 217,210,640.93 = 130,022,631.62 : x
  2. Step 2: Convert to fraction form
    145,549,718.35/217,210,640.93 = 130,022,631.62/x
  3. Step 3: Cross multiply
    145,549,718.35x = 217,210,640.93 × 130,022,631.62
  4. Step 4: Simplify right side
    145,549,718.35x = 28,242,299,150,006,376
  5. Step 5: Solve for x
    x = 28,242,299,150,006,376/145,549,718.35
  6. Step 6: Final answer
    x = 194,038,844.39

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.