Home / 75,221,663,681.25-112,882,141,342.17-39,873,842,006.40

Finding the Fourth Proportional to 75,221,663,681.25, 112,882,141,342.17 and 39,873,842,006.40

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Solution

The fourth proportional to 75,221,663,681.25, 112,882,141,342.17 and 39,873,842,006.40 is: 59,837,079,492.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,221,663,681.25 : 112,882,141,342.17 = 39,873,842,006.40 : x
  2. Step 2: Convert to fraction form
    75,221,663,681.25/112,882,141,342.17 = 39,873,842,006.40/x
  3. Step 3: Cross multiply
    75,221,663,681.25x = 112,882,141,342.17 × 39,873,842,006.40
  4. Step 4: Simplify right side
    75,221,663,681.25x = 4,501,044,669,221,800,247,296
  5. Step 5: Solve for x
    x = 4,501,044,669,221,800,247,296/75,221,663,681.25
  6. Step 6: Final answer
    x = 59,837,079,492.08

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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.