Home / 74,877,785.68-103,367,264.52-47,389,038.16

Finding the Fourth Proportional to 74,877,785.68, 103,367,264.52 and 47,389,038.16

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Solution

The fourth proportional to 74,877,785.68, 103,367,264.52 and 47,389,038.16 is: 65,419,606.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,877,785.68 : 103,367,264.52 = 47,389,038.16 : x
  2. Step 2: Convert to fraction form
    74,877,785.68/103,367,264.52 = 47,389,038.16/x
  3. Step 3: Cross multiply
    74,877,785.68x = 103,367,264.52 × 47,389,038.16
  4. Step 4: Simplify right side
    74,877,785.68x = 4,898,475,242,833,094
  5. Step 5: Solve for x
    x = 4,898,475,242,833,094/74,877,785.68
  6. Step 6: Final answer
    x = 65,419,606.07

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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.