Home / 430,094,907.63-645,146,095.04-138,962,061.50

Finding the Fourth Proportional to 430,094,907.63, 645,146,095.04 and 138,962,061.50

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Solution

The fourth proportional to 430,094,907.63, 645,146,095.04 and 138,962,061.50 is: 208,444,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,094,907.63 : 645,146,095.04 = 138,962,061.50 : x
  2. Step 2: Convert to fraction form
    430,094,907.63/645,146,095.04 = 138,962,061.50/x
  3. Step 3: Cross multiply
    430,094,907.63x = 645,146,095.04 × 138,962,061.50
  4. Step 4: Simplify right side
    430,094,907.63x = 89,650,831,331,512,784
  5. Step 5: Solve for x
    x = 89,650,831,331,512,784/430,094,907.63
  6. Step 6: Final answer
    x = 208,444,298.55

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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.