Home / 84,109,045.71-116,123,024.88-64,492,246.20

Finding the Fourth Proportional to 84,109,045.71, 116,123,024.88 and 64,492,246.20

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Solution

The fourth proportional to 84,109,045.71, 116,123,024.88 and 64,492,246.20 is: 89,039,587.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,109,045.71 : 116,123,024.88 = 64,492,246.20 : x
  2. Step 2: Convert to fraction form
    84,109,045.71/116,123,024.88 = 64,492,246.20/x
  3. Step 3: Cross multiply
    84,109,045.71x = 116,123,024.88 × 64,492,246.20
  4. Step 4: Simplify right side
    84,109,045.71x = 7,489,034,710,049,685
  5. Step 5: Solve for x
    x = 7,489,034,710,049,685/84,109,045.71
  6. Step 6: Final answer
    x = 89,039,587.20

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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.