Home / 56,168,000.76-77,512,307.60-30,413,888.76

Finding the Fourth Proportional to 56,168,000.76, 77,512,307.60 and 30,413,888.76

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Solution

The fourth proportional to 56,168,000.76, 77,512,307.60 and 30,413,888.76 is: 41,971,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,168,000.76 : 77,512,307.60 = 30,413,888.76 : x
  2. Step 2: Convert to fraction form
    56,168,000.76/77,512,307.60 = 30,413,888.76/x
  3. Step 3: Cross multiply
    56,168,000.76x = 77,512,307.60 × 30,413,888.76
  4. Step 4: Simplify right side
    56,168,000.76x = 2,357,450,700,877,302.50
  5. Step 5: Solve for x
    x = 2,357,450,700,877,302.50/56,168,000.76
  6. Step 6: Final answer
    x = 41,971,419.12

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Double scale
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1.5x scale

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.