Home / 215,634,398.76-297,636,511.50-127,559,014.74

Finding the Fourth Proportional to 215,634,398.76, 297,636,511.50 and 127,559,014.74

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Solution

The fourth proportional to 215,634,398.76, 297,636,511.50 and 127,559,014.74 is: 176,067,549.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,634,398.76 : 297,636,511.50 = 127,559,014.74 : x
  2. Step 2: Convert to fraction form
    215,634,398.76/297,636,511.50 = 127,559,014.74/x
  3. Step 3: Cross multiply
    215,634,398.76x = 297,636,511.50 × 127,559,014.74
  4. Step 4: Simplify right side
    215,634,398.76x = 37,966,220,157,590,680
  5. Step 5: Solve for x
    x = 37,966,220,157,590,680/215,634,398.76
  6. Step 6: Final answer
    x = 176,067,549.41

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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.