Home / 45,139,807.02-62,312,004.54-30,475,337.78

Finding the Fourth Proportional to 45,139,807.02, 62,312,004.54 and 30,475,337.78

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Solution

The fourth proportional to 45,139,807.02, 62,312,004.54 and 30,475,337.78 is: 42,068,841.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,139,807.02 : 62,312,004.54 = 30,475,337.78 : x
  2. Step 2: Convert to fraction form
    45,139,807.02/62,312,004.54 = 30,475,337.78/x
  3. Step 3: Cross multiply
    45,139,807.02x = 62,312,004.54 × 30,475,337.78
  4. Step 4: Simplify right side
    45,139,807.02x = 1,898,979,386,105,393.50
  5. Step 5: Solve for x
    x = 1,898,979,386,105,393.50/45,139,807.02
  6. Step 6: Final answer
    x = 42,068,841.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.