Home / 118,523,182,005.40-163,562,112,217.93-64,329,741,813.49

Finding the Fourth Proportional to 118,523,182,005.40, 163,562,112,217.93 and 64,329,741,813.49

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Solution

The fourth proportional to 118,523,182,005.40, 163,562,112,217.93 and 64,329,741,813.49 is: 88,775,109,404.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,523,182,005.40 : 163,562,112,217.93 = 64,329,741,813.49 : x
  2. Step 2: Convert to fraction form
    118,523,182,005.40/163,562,112,217.93 = 64,329,741,813.49/x
  3. Step 3: Cross multiply
    118,523,182,005.40x = 163,562,112,217.93 × 64,329,741,813.49
  4. Step 4: Simplify right side
    118,523,182,005.40x = 10,521,908,449,448,514,551,808
  5. Step 5: Solve for x
    x = 10,521,908,449,448,514,551,808/118,523,182,005.40
  6. Step 6: Final answer
    x = 88,775,109,404.08

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1.5x scale

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.