Home / 313,510,905.16-470,211,368.04-119,433,966.36

Finding the Fourth Proportional to 313,510,905.16, 470,211,368.04 and 119,433,966.36

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Solution

The fourth proportional to 313,510,905.16, 470,211,368.04 and 119,433,966.36 is: 179,130,000.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,510,905.16 : 470,211,368.04 = 119,433,966.36 : x
  2. Step 2: Convert to fraction form
    313,510,905.16/470,211,368.04 = 119,433,966.36/x
  3. Step 3: Cross multiply
    313,510,905.16x = 470,211,368.04 × 119,433,966.36
  4. Step 4: Simplify right side
    313,510,905.16x = 56,159,208,712,578,944
  5. Step 5: Solve for x
    x = 56,159,208,712,578,944/313,510,905.16
  6. Step 6: Final answer
    x = 179,130,000.87

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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.