Home / 142,011,621.40-213,017,432.10-65,484,117.40

Finding the Fourth Proportional to 142,011,621.40, 213,017,432.10 and 65,484,117.40

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Solution

The fourth proportional to 142,011,621.40, 213,017,432.10 and 65,484,117.40 is: 98,226,176.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,011,621.40 : 213,017,432.10 = 65,484,117.40 : x
  2. Step 2: Convert to fraction form
    142,011,621.40/213,017,432.10 = 65,484,117.40/x
  3. Step 3: Cross multiply
    142,011,621.40x = 213,017,432.10 × 65,484,117.40
  4. Step 4: Simplify right side
    142,011,621.40x = 13,949,258,531,882,928
  5. Step 5: Solve for x
    x = 13,949,258,531,882,928/142,011,621.40
  6. Step 6: Final answer
    x = 98,226,176.10

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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.