Home / 145,312,488,004.80-217,968,732,007.20-106,130,405,956.80

Finding the Fourth Proportional to 145,312,488,004.80, 217,968,732,007.20 and 106,130,405,956.80

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Solution

The fourth proportional to 145,312,488,004.80, 217,968,732,007.20 and 106,130,405,956.80 is: 159,195,608,935.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,312,488,004.80 : 217,968,732,007.20 = 106,130,405,956.80 : x
  2. Step 2: Convert to fraction form
    145,312,488,004.80/217,968,732,007.20 = 106,130,405,956.80/x
  3. Step 3: Cross multiply
    145,312,488,004.80x = 217,968,732,007.20 × 106,130,405,956.80
  4. Step 4: Simplify right side
    145,312,488,004.80x = 23,133,110,013,813,082,554,368
  5. Step 5: Solve for x
    x = 23,133,110,013,813,082,554,368/145,312,488,004.80
  6. Step 6: Final answer
    x = 159,195,608,935.20

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1.5x scale

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.