Home / 70,464,009.70-105,696,014.55-65,362,176.10

Finding the Fourth Proportional to 70,464,009.70, 105,696,014.55 and 65,362,176.10

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Solution

The fourth proportional to 70,464,009.70, 105,696,014.55 and 65,362,176.10 is: 98,043,264.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,464,009.70 : 105,696,014.55 = 65,362,176.10 : x
  2. Step 2: Convert to fraction form
    70,464,009.70/105,696,014.55 = 65,362,176.10/x
  3. Step 3: Cross multiply
    70,464,009.70x = 105,696,014.55 × 65,362,176.10
  4. Step 4: Simplify right side
    70,464,009.70x = 6,908,521,516,085,262
  5. Step 5: Solve for x
    x = 6,908,521,516,085,262/70,464,009.70
  6. Step 6: Final answer
    x = 98,043,264.15

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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.