Home / 99,696,127.68-137,653,566.64-64,434,808

Finding the Fourth Proportional to 99,696,127.68, 137,653,566.64 and 64,434,808

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Solution

The fourth proportional to 99,696,127.68, 137,653,566.64 and 64,434,808 is: 88,967,157.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,696,127.68 : 137,653,566.64 = 64,434,808 : x
  2. Step 2: Convert to fraction form
    99,696,127.68/137,653,566.64 = 64,434,808/x
  3. Step 3: Cross multiply
    99,696,127.68x = 137,653,566.64 × 64,434,808
  4. Step 4: Simplify right side
    99,696,127.68x = 8,869,681,136,963,604
  5. Step 5: Solve for x
    x = 8,869,681,136,963,604/99,696,127.68
  6. Step 6: Final answer
    x = 88,967,157.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.