Home / 138,717,429.84-208,144,512.96-64,946,196

Finding the Fourth Proportional to 138,717,429.84, 208,144,512.96 and 64,946,196

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Solution

The fourth proportional to 138,717,429.84, 208,144,512.96 and 64,946,196 is: 97,451,303.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,717,429.84 : 208,144,512.96 = 64,946,196 : x
  2. Step 2: Convert to fraction form
    138,717,429.84/208,144,512.96 = 64,946,196/x
  3. Step 3: Cross multiply
    138,717,429.84x = 208,144,512.96 × 64,946,196
  4. Step 4: Simplify right side
    138,717,429.84x = 13,518,194,335,024,700
  5. Step 5: Solve for x
    x = 13,518,194,335,024,700/138,717,429.84
  6. Step 6: Final answer
    x = 97,451,303.35

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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.