Home / 65,424,587.16-90,286,547.22-36,056,978.76

Finding the Fourth Proportional to 65,424,587.16, 90,286,547.22 and 36,056,978.76

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Solution

The fourth proportional to 65,424,587.16, 90,286,547.22 and 36,056,978.76 is: 49,758,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,424,587.16 : 90,286,547.22 = 36,056,978.76 : x
  2. Step 2: Convert to fraction form
    65,424,587.16/90,286,547.22 = 36,056,978.76/x
  3. Step 3: Cross multiply
    65,424,587.16x = 90,286,547.22 × 36,056,978.76
  4. Step 4: Simplify right side
    65,424,587.16x = 3,255,460,115,425,277
  5. Step 5: Solve for x
    x = 3,255,460,115,425,277/65,424,587.16
  6. Step 6: Final answer
    x = 49,758,970.70

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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.