Home / 52,112,070.16-78,168,666.47-15,720,775.79

Finding the Fourth Proportional to 52,112,070.16, 78,168,666.47 and 15,720,775.79

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Solution

The fourth proportional to 52,112,070.16, 78,168,666.47 and 15,720,775.79 is: 23,581,332.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,112,070.16 : 78,168,666.47 = 15,720,775.79 : x
  2. Step 2: Convert to fraction form
    52,112,070.16/78,168,666.47 = 15,720,775.79/x
  3. Step 3: Cross multiply
    52,112,070.16x = 78,168,666.47 × 15,720,775.79
  4. Step 4: Simplify right side
    52,112,070.16x = 1,228,872,078,908,713.50
  5. Step 5: Solve for x
    x = 1,228,872,078,908,713.50/52,112,070.16
  6. Step 6: Final answer
    x = 23,581,332.98

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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.