Home / 93,301,430.50-128,740,030.86-54,134,228.80

Finding the Fourth Proportional to 93,301,430.50, 128,740,030.86 and 54,134,228.80

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Solution

The fourth proportional to 93,301,430.50, 128,740,030.86 and 54,134,228.80 is: 74,695,985.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,301,430.50 : 128,740,030.86 = 54,134,228.80 : x
  2. Step 2: Convert to fraction form
    93,301,430.50/128,740,030.86 = 54,134,228.80/x
  3. Step 3: Cross multiply
    93,301,430.50x = 128,740,030.86 × 54,134,228.80
  4. Step 4: Simplify right side
    93,301,430.50x = 6,969,242,286,294,300
  5. Step 5: Solve for x
    x = 6,969,242,286,294,300/93,301,430.50
  6. Step 6: Final answer
    x = 74,695,985.36

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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.