Home / 70,259,278.95-96,955,722.54-38,898,725.63

Finding the Fourth Proportional to 70,259,278.95, 96,955,722.54 and 38,898,725.63

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Solution

The fourth proportional to 70,259,278.95, 96,955,722.54 and 38,898,725.63 is: 53,679,088.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,259,278.95 : 96,955,722.54 = 38,898,725.63 : x
  2. Step 2: Convert to fraction form
    70,259,278.95/96,955,722.54 = 38,898,725.63/x
  3. Step 3: Cross multiply
    70,259,278.95x = 96,955,722.54 × 38,898,725.63
  4. Step 4: Simplify right side
    70,259,278.95x = 3,771,454,048,857,088.50
  5. Step 5: Solve for x
    x = 3,771,454,048,857,088.50/70,259,278.95
  6. Step 6: Final answer
    x = 53,679,088.45

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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.