Home / 43,136,009.60-64,704,014.40-39,851,427.20

Finding the Fourth Proportional to 43,136,009.60, 64,704,014.40 and 39,851,427.20

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Solution

The fourth proportional to 43,136,009.60, 64,704,014.40 and 39,851,427.20 is: 59,777,140.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,136,009.60 : 64,704,014.40 = 39,851,427.20 : x
  2. Step 2: Convert to fraction form
    43,136,009.60/64,704,014.40 = 39,851,427.20/x
  3. Step 3: Cross multiply
    43,136,009.60x = 64,704,014.40 × 39,851,427.20
  4. Step 4: Simplify right side
    43,136,009.60x = 2,578,547,319,409,352
  5. Step 5: Solve for x
    x = 2,578,547,319,409,352/43,136,009.60
  6. Step 6: Final answer
    x = 59,777,140.80

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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.