Home / 130,277,066.81-195,421,885.16-42,836,647.92

Finding the Fourth Proportional to 130,277,066.81, 195,421,885.16 and 42,836,647.92

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Solution

The fourth proportional to 130,277,066.81, 195,421,885.16 and 42,836,647.92 is: 64,257,038.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,277,066.81 : 195,421,885.16 = 42,836,647.92 : x
  2. Step 2: Convert to fraction form
    130,277,066.81/195,421,885.16 = 42,836,647.92/x
  3. Step 3: Cross multiply
    130,277,066.81x = 195,421,885.16 × 42,836,647.92
  4. Step 4: Simplify right side
    130,277,066.81x = 8,371,218,490,247,410
  5. Step 5: Solve for x
    x = 8,371,218,490,247,410/130,277,066.81
  6. Step 6: Final answer
    x = 64,257,038.45

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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.