Home / 47,256,435.60-70,742,935.80-28,077,320.40

Finding the Fourth Proportional to 47,256,435.60, 70,742,935.80 and 28,077,320.40

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Solution

The fourth proportional to 47,256,435.60, 70,742,935.80 and 28,077,320.40 is: 42,031,779.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,256,435.60 : 70,742,935.80 = 28,077,320.40 : x
  2. Step 2: Convert to fraction form
    47,256,435.60/70,742,935.80 = 28,077,320.40/x
  3. Step 3: Cross multiply
    47,256,435.60x = 70,742,935.80 × 28,077,320.40
  4. Step 4: Simplify right side
    47,256,435.60x = 1,986,272,074,493,230.25
  5. Step 5: Solve for x
    x = 1,986,272,074,493,230.25/47,256,435.60
  6. Step 6: Final answer
    x = 42,031,779.36

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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.